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The act of rubbing and inserting your thumb in a girls ass while engaging in doggystyle sex to gage her interest in anal...
I wasn't sure if she was up for anal so i gave her the exploratory thumb to find out if she was down
by Q420 July 02, 2009
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Sep 8 Word of the Day
A casual invitation / threat used by an individual that is not afraid of fucking someone up.
PAUL: I'm going to beat your ass.

JACK: Fuck around and find out, fool!
by NX STARCHILD October 16, 2020
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