1 definition by El Capitan Zimmy

The term for a woman who has a lower back tattoo. The theory is that a woman who rocks the lowerback tatt, she has been the the presence of at least 25 penises in her sexual lifetime. Hence the name, Quarter Back.

**Note - If said woman appears to be of loose moral fiber, the term Half Back can apply. Half Back = 50 dicks.
"Oh man... check that chick out... fierce Quarter Back!"
by El Capitan Zimmy August 25, 2006
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