Top Definition
Someone who suffers from a mental disorder and delusions of grandeur. Someone who has lost touch with reality. Could be just depressed but rans the gammit from depression to schizophrenia.
Man, that Mike Rehmeyer is mentally ill. He's 34, lives at home, has no college education and nothing going for him yet he thinks he's Prince Charles.
by arfed February 12, 2008

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See atheist.
Jack the atheist was mentally ill.
by Skialian January 09, 2014

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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