Like how you can shank corn, by peeling the outer layer off.
But a guy can also shank.
He can shank himself or a girl....
You name it.
Yo, did you hear about how chuck shanked Amanda so hard last night at the party.
-or-
Person1: you suck
Person2: you swallow
Person1: you choke
Person2: you shank
Everyone else: ohhhhhhhhhh