Top Definition
To suddenly and unexpectedly act in a viscious manner; esp. in regards to a woman.

Historical Usage: from a comment made concerning a Detroit woman who sued a charity because its name infringed on her charity's name.
"Yeah, I would have said she was a nice person... if she hadn't psychobitched out at the party last night!"
by Brandon Hendrickson March 14, 2003

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go haywire esp. a woman
Me
by Moonshot March 14, 2003

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