What is Thrum Bone?
1.
The act of forcing ones thumb into a partners rectal passage, without the act being discussed or pre arranged.
There is a high chance that this act is will be made by a opportunist and stealthily approached.
"Hey Pash whats that over there?"
"oooooh my god what the fuck was that?"
"i just thrum boned you dude!!!"
See
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In 90's there was a cult that thought they were going to get taken into the heavens in a space ship. Several of them got castrated ..
1.
A sexual position in which the male has intercourse with his partner until she is dead.
Henry: "Where's Jessica?"
Mark:..