Top Definition
To be extreme and ride around on little kid trycycle or to be so hardcore that even when u play with toys your still hardcore but then you become KIDCORE
Dude did you see billy he was so KIDCORE when he w\rode that trike down the hill
by Jakeylee11 September 28, 2009

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Acting extremely young when you are older then the age of 15. Kidcore could be defined as someone ridding any small childs bike or baby toy around town.
"Dude! Did you see that guy? He was so KidCore on that tricycle."
by BillyE. September 28, 2009

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt