What is Thumpkin?
1.
Masterbating while taking a shit
dude my phone fell in the toilet while I was doing the thumpkin
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2.
one who is being a ass
dum thumpkin
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3.
Recieving head while taking a shit
My high school lacrosse coach told us of the thumpkin his girlfriend gave him.
Random Words:
1.
this is when you are having sex with a girl and one of your buddy's is hiding on the floor for your cue with a pillow in his hand...