A disease riddled cock. Like barnacles on the hull of a boat, it's all cankered up with venereal/genital warts.
The last time I banged a street whore I ended up with beef barnacles.
by Eaton Holgoode April 7, 2017
Get the Beef Barnacles mug.
Labia, the ladies' clam.

Also described as:
Mooseknuckle, pleasure button, sex index, tongue twister, magic pinkie,
"Eat that beef barnacle like you would a twinkie, hey where's the cream filling? Ahhh there it is." *gurgle*
by freedomfighters July 11, 2008
Get the beef barnacle mug.