A Shank is when You Masturbate whilst taking a dump. twice the orgasm!
"Just popping for a shank",
"Go shank yourself",
"Shank-face"
This can be an action in a sport, preferably soccer, when you totally screw up a kick or pass.
I took a shot and ended up shanking the ball miserably.
Willing to suck a penis for a Cup of Coffee....AKA Jack Norby
Jack's least favorite part of the coffee addiction is the constant shanking.
to stab someone between their lower ribs and pop their ribs out
I tried to shank that bitch but her titty got stuck