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3. jack fuck
The art of titty fucking. Fucking a girls "jacks".
So remember that chick I took home Friday? Anyways, she ended up letting me jack fuck her that night...
1. jack fuck
a complete and total dumb ass -- a mental and physical state occasionally caused by excessive alcohol or drug intake
The other night I got liquored up and barged into the ladies room like a jack fuck and took a piss in the corner.
by anonymous Sep 18, 2003 add a video
2. jack fuck
Means he/she knows nothing at all. see also jack shit
He/She knows jack fuck
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