Top Definition
The inability of a heterosexual man or lesbian to think clearly since his/her cognitive faculties are being hindered by noticeable breasts.
May be either used as a noun for the person or an adjective for the condition.
Look how Steve's mind is mush while the Girls Gone Wild commercial is on--he is a huge titwit.
by Adam August 01, 2005

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Some nitpicker who ardently tries to supersede keeping abreast of lesser notorious though ostensibly mpre glorious nitwits.
Rather keep your wits 'bout you than moaning like a proper titwit.
by Hercolena Oliver October 02, 2008

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