nut tunnel
A long, cylindrical, hollow object resembling the inside of a vagina after one "nuts" inside of it. For example, a fried Twinkie from the State Fair. Also may be used to describe the vagina itself.
Guy 1: "Dude, my girlfriend's pregnant..."
Guy 2: "Should have finished on her back! Say no to the nut tunnel"
Guy 2: "Should have finished on her back! Say no to the nut tunnel"