What was the worst rumour you heard in the playground as a child?
Was it when your friend told you that if you swallowed a watermelon seed, a tree would grow in your tummy?
Or that if you ate all the carrots on your plate you would be able to see in the dark?
Well, there's a whole lot more than that according to Twitter.
#WorstChildhoodRumours is trending on the social media site and so far, over 51,000 people have contributed their own rumours... and they will make you feel all nostalgic.
Here are a few of our favourites.
(FYI they definitely NEVER had a baby.)
if someone jumps over your head you'll stop growing taller. Maybe that's why I'm so short. #WorstChildhoodRumors— candice (@candeeeland) June 11, 2015
If u swallow a watermelon seed, a watermelon will grow inside you 😂 #WorstChildhoodRumors— 6/22 ♋ (@Squaduphoe_) June 11, 2015
... Erm, so did I.
Swallow chewing gum and it will be stuck in your stomach for 7 years. #WorstChildhoodRumors— Kay (@BabyUkay) June 11, 2015
When 2 people get married they have a special hug. That's where babies come from.
Yes, you have to be married. #WorstChildhoodRumors— just plain beth (@whoawhut) June 11, 2015
If u swallow a chewing gum by mistake a new chewing gum tree will grow out of ur stomach.June 11, 2015
"Your days in school will be the best of your life" #WorstChildhoodRumors— Dan Page (@DansOnRoad) June 11, 2015
You get square eyes if you sit to close to the TV ...June 11, 2015
Babies come from big birds called storks #WorstChildhoodRumors— Jeff Rahm (@rahmage) June 11, 2015
#WorstChildhoodRumors If you eat seeds atree is going to grow up inside you— Estirada † (@ShutUpPansycake) June 11, 2015
Everything you learn in school is important and will be used when your older #WorstChildhoodRumors— ♔LINDA NOVA♔ (@LindaNovaOnline) June 11, 2015
What about you, any childhood rumours you care to add? Or have your children heard any good ones?