an adult that is still a child at heart, and/or sometimes acts like a child.

likes to watch cartoons, play tag and hide and seek, play video games, etc.
Delia likes to watch cartoons, what a chi-dult!
by d.net April 26, 2010

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Top Definition
a person that has grown to adult size but whose mental capacity and attitude has not matured and developed appropriately. They often get on your nerves strutting around sharing their annoying irrational muttering and negative attitudes. Their character is tainted by the clash between their "know it all" stance and the fact that they really can not rationalize ideas & decisions on their own.
My supervisor is a real chidult, I wish he would grow up and get a life.

Please don't be a chidult, we really need mature adults on this team.
by VI Bird April 11, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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