Top Definition
When a chick has very distinct jaw bone, causing her to have a unattractive appearance.
"Damn Steph have a major case of Man Jaw."
"Hell yeah, dat bitch is ugly.:
by SMJezus July 27, 2008

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a female whos jawline is so hideously large and unattractive that she looks like a man.
Holy cow! Check out the manjaw on that girl! It's huge!
by mimi1201 September 14, 2008

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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