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Devoted Grandma

Believe it Or Not These Are the 15 Naughty Behaviors Your Grandkids Are Most Likely to Pick Up from You

July 1, 2025

As grandmothers, we always hope we’re passing on wisdom, love, and life lessons that will help our grandkids grow into kind, thoughtful people. But let’s face it, sometimes they’re picking up on our other habits, too. The cheeky ones. The sneaky ones. The downright naughty little behaviors that we didn’t realize we were modeling.

We mean well, of course. But those little eyes and ears miss nothing. One moment you’re grumbling about something harmless, and the next thing you know, your grandchild is repeating your exact words at the dinner table with dramatic flair.

Here are 15 naughty (but mostly harmless) behaviors your grandkids are likely learning straight from you. Don’t be surprised if a few sound a little too familiar!


1. Sneaking Snacks at Odd Hours

You think you’re being sly, tiptoeing into the kitchen at 10:30 p.m. for a cookie. But that little shadow following you? They noticed. Now your grandchild believes bedtime is just the start of snack time. They even use your line: “One little bite won’t hurt!”


2. Sassy Comebacks

We all enjoy a clever remark now and then. But when Grandma delivers a witty, sarcastic comment, those little ears soak it up like a sponge. Suddenly, your grandchild is hitting their parents with lines like, “Well, maybe you should do it if you’re so smart!” Cue the raised eyebrows from Mom and Dad.


3. Pretending Not to Hear

Selective hearing is a survival skill many of us have developed over the years, especially when it comes to tasks we’d rather not do. But when your grandchild suddenly goes deaf whenever they’re asked to clean up? Let’s just say they learned from the best.


4. Bending the Rules “Just This Once”

It starts innocently. You let them have dessert before dinner because it’s a special day. You let them skip brushing their teeth one night because they’re tired. But now, according to your grandchild, “Grandma says it’s okay!” is their go-to excuse for everything.


5. Talking Back (with a Smile)

We all love a little back-and-forth banter. But when your grandchild starts correcting their teacher with, “Actually, I think you’re wrong,” it might be time to revisit how you model respectful disagreement.


6. Sarcastic Humor

“Oh, wonderful,” you say dramatically when it starts raining the minute you hang the laundry. It’s funny! But now your grandchild is rolling their eyes and saying, “Perfect. Just perfect,” when they spill juice on the floor. Whoops.


7. Avoiding Phone Calls Like a Pro

When the phone rings and you peek at the caller ID, mutter “Not today,” and keep watching your show, your grandchild sees that. Fast forward to when they don’t want to answer FaceTime from Aunt Linda. Suddenly, it’s “I’m too busy right now,” with a suspicious side-eye toward the iPad.


8. Spoiling the Pets (and Themselves)

Letting the cat sleep on the table or feeding the dog scraps from your plate might seem harmless. But now your grandchild is giving the hamster cookies and justifying it with, “Grandma says treats make us happy!”


9. Being a Bit Too Honest

We’ve earned the right to speak plainly—after all, we’re not getting any younger! But if you say, “That’s not your color, dear,” in front of your grandchild, don’t be shocked when they turn around and tell someone, “You look funny in that dress.”


10. Relying on TV for Peace and Quiet

We all need a moment to recharge. And turning on a cartoon while you sip your tea is a perfectly reasonable break. Until, of course, your grandchild starts expecting TV time as the go-to solution for every moment of boredom. “I’m tired. Can I watch something?” becomes their mantra.


11. Grumbling Loud Enough to Be Heard

You’re not complaining exactly—you’re just commenting loudly: “I guess I’ll be the one to clean this up. Again.” Your grandchild soon adopts the same passive-aggressive style. “I guess nobody wants to share with me today,” they say, while locking eyes with their sibling.


12. Interrupting Conversations

You’ve got a story, and by golly, you’re going to tell it—whether or not someone else is talking. Your grandchild sees this and thinks it’s perfectly acceptable to interrupt mid-sentence to tell you they found a bug in the garden. And well… it’s hard to be mad when they’re so excited.


13. Taking Forever to Get Ready

You tell them, “Give me five minutes,” then go on to pick earrings, change your shoes, and apply lip gloss. Thirty minutes later, you’re still “almost ready.” Your grandchild now thinks being fashionably late is not only okay—it’s expected.


14. Being a Little Dramatic

You stub your toe and yelp like it’s a medical emergency. You react to a power outage like it’s the apocalypse. Guess what? Now your grandchild is screaming, “Help! I’m dying!” over a paper cut. It’s… theatrical, to say the least.


15. Tattling… But in a Sweet Way

You casually mention, “Not to be a tattletale, but someone left their dirty socks in the hallway,” to the parents. Now your grandchild whispers, “I’m not trying to get anyone in trouble… but Sarah took the big cookie.” They even try to mimic your innocent tone!


A Gentle Reminder from One Grandma to Another:

These “naughty” behaviors? Most of them are pretty harmless. In fact, they’re sweet signs that your grandchild looks up to you more than you realize. You’re their favorite person to watch, to imitate, and to learn from—even when you’re not trying to teach a thing.

Sure, you may need to tweak a few habits once you notice those tiny echoes coming out of your grandchild’s mouth. But don’t lose sleep over it. Because while they may pick up your sass or snack sneaking, they’re also absorbing your warmth, your laughter, and your unconditional love.

And honestly? A little bit of naughty—with a whole lot of nice—is part of what makes the grandparent-grandchild bond so special.