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when you are doin a girl from behind and you stick your thumb in her ass as an anchor. When your ready to nut you pull your thumb out and she farts.
This sound would be like if you were throwing a bowling ball and only use your thumb. When you release the ball it will make a popping sound.
"Last night I went thumb bowlin' with my girl." "Man she really popped!"
by ODIE751995 May 02, 2008

Words related to thumb bowlin'

hitch hiking thumb holin thumbn' thumbn it thum bowling