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1.
Noun. Stands for "Ass Fuck Gut Punch" Performed during the act of anal sex, when the man punches the woman (or man) in the gut just as they cum, causing the anal sphincter to shut, cleaning off the dick of all shit and semen.
"Dude, I pulled an AFGP on Tara last night!"
by ChibiHitler November 21, 2009