The female version of a Jack Ass. An offensive term that insults a females intelligence. A person who lacks good judgment.
Dude, she is a Jenny Ass!

What is with that Jenny Ass? She is acting like a total jerk.

Only a Jenny Ass would make such a stupid comment!
by eclecticjen June 3, 2014
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Term used to evaluate thickness of a females rear end. Usually used with a fraction as a prefix.
Damn! She’s like 3/5ths of Jenny’s thicc ass.
by L33tnibba March 5, 2018
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Term used to describe a females rear end, generally used with a (of) fraction prefix.
Damn! That girl is a solid 17/59ths of Jenny’s thicc ass, 179 outta 333 would smash frfr
by L33tnibba March 5, 2018
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