Slang term for Anal Sex. In the sport American Football, blitzing the A gap means to send in a defensive player, almost always a linebacker, through the small space between the center and the left or right guard.

If someone hears you mention blitzing the A gap and assumes it's dirty slang, chances are you can convince them that you're talking about football.
Man, that linebacker sure can blitz the A gap of that offense.

Damn, she's got a nice ass. I wouldn't mind blitzing the A gap.
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