The art of inserting ones thumb (thumbs), into a fellow companions anal cavity, while thrusting wildly in an up and down motion. The thumb dumper must be face to face with the thumb dumpie.
Chantel couldn't walk the next day because she had spent the night being thumb dumped by Tim. Tim is an excellent Thumb Dumper
by TheAE86ForTheWin October 30, 2008
Get the Thumb Dumpermug. The condition when an entire side of your thumb is covered in ink from sliding it to smudge your name off an official deportation document.
by Robert Shame May 8, 2013
Get the Taiwan Thumbmug. The action of putting thumb into butt hole before sitting. America's favorite past time for when you are bored and no plans.
by UmmWhatchaSay March 3, 2018
Get the Thumb Sittingmug. The slang term for a person who forays into the backdoor of wanton vixens, with the goal of altering the pigmentation of his thumb, because he is too cheap to enlist the services of a tanning salon.
Usually repeats the action until the desired shade of brown/tan is obtained. Will also giggle gleefully once successful.
Usually repeats the action until the desired shade of brown/tan is obtained. Will also giggle gleefully once successful.
"The thumbed crusader pursued her ass with great vigour, an image of perfect thumb brownness at the forefront of his mind..."
by Hamroll November 30, 2006
Get the thumbed crusadermug. Commonly used term orginating in the early 1900s, when it was legal for men to beat their wives, as long as they used a stick no wider than their thumb.
Rule of thumb? Can't do too much damage with that thing, can we? Perhaps it should have been the Rule of Wrist. - The Boondock Saints
by YousaywhyIsaywhynot October 23, 2006
Get the rule of thumbmug. by carnuga February 27, 2009
Get the thumb funmug. by 29A April 28, 2005
Get the Thumbs Downmug.