shotgun

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

(transitive, informal) To verbally lay claim to (something)

(transitive, baseball) To hit the ball directly back at the pitcher.

(US, slang) 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.

(US, slang) 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.

(computing, slang) To employ the technique of shotgun debugging.