A fork of Rural Dictionary
One worthy of thrusting, in the physical sense.
Mike: Did you check out that girl, Stephanie? Ryan: Yeah man, totally thrustworthy. Mike: I'd hit it.
When a girl is looking hella fine and you don't mind doing a little thrusting
"Man, even with my back pain, that girl sure is thrustworthy"
What a horny stud claims to be when asking a chick to let him "do it bareback" with her.
No normal dude is 100% thrustworthy --- he may THINK dat he can control whether or not he ejaculates, but it is still an involuntary thing, and if he gets excited enough, all bets are off!