G-man

The act of a female sucking a guy’s ball sack while her nose tickles his arsehole. Particularly effective when the female has a large, pointy nose.
“Man that girl’s hot, but she’s got a weird nose, I’d love her to give me a G-man.”

"Look at the nose on that bird, bet she gives a good G-man"
by Agallagher1987 September 29, 2009
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