This is an act of intercourse performed with some smoking material and a female (only a female this is not the anal shotgun) One must take a hit and blow the shotgun in the ladies (taco) and if accomplished she will then blow out the smoke.
Bro 1: Dude, I gave my girl a taco shotgun and now she wants one like all the time.
Bro 2: No way man, keep doing that shit get her feeling really good
An objectively terrible snack that consists of a whole, peeled banana in a hard taco shell with red salsa. It is strongly advised that one does not eat this unless it is some form of self-punishment.
"Whenever I feel the urge to suffer, I make myself a good ol' shotgun taco."