A term used to describe a loose vagina, coined through the fact that the pussy lipshang apart from each other much in the same way as slices of roast beef
She wanted me to eat her out. When I pulled off her pants, I saw that she had roast beef slices. So I melted some cheddar in it and dug in.
A very gross, loose and saggy vagina that resembles the thick shreds of meat in an Italian beef sandwich. Generally found on strippers and porn actresses.
"Ew, did you see that stripper's Italian beef sandwich vagina? I want my fuckin' money back."
To deficate in a mostly liquidous form with strong velocity. The result may cause butt cheek vibration, toilet bowl reverberation and an audible rumble.
"I think some passengers on the airplaneheard me whistle beef becuase of the dirty looks I received when exiting the lavatory.