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
Random Words:
1.
similar to an asian driver, one who cannot seem to walk straight when they are sober
An asian walker ran into me on the sidewalk today...