When you're having anal sex with a girl which she finds too painful and her anus clenches tightly on you penis pinching it like a lobster claw.
"Dude, did you get anal off your girl last night?"
"Yeah but I went too deep and her brown lobster squeezed on me so tight it hurts when I pee!"
"Yeah but I went too deep and her brown lobster squeezed on me so tight it hurts when I pee!"
by ChristmasPartySam January 09, 2010