SHOTGUNNING

(smoking) to inhale from a pipe or other smoking device, followed shortly by an exhalation into someone else’s mouth.

To verbally lay claim to (something)

Example: "I got a day off because i shotgunned it."

To hit the ball directly back at the pitcher.

To rapidly drink a beverage from a can by making a hole in the bottom of the can, placing the hole above one's mouth, and opening the top.

To send out many (requests, answers to a question, etc), especially in the hope that one obtains a positive result (i.e. reveals useful information, is correct, etc), in the manner of a shotgun firing many balls of shot such that one may hit a target.

To employ the technique of shotgun debugging.