cock barnacle
man 1: who's that fat chick that keeps hanging around you?  man 2: some fucking cock barnacle that won't leave me alone
(1)an ever-present, overly persistent and/or unwanted suitor or friend of a male
"man 1: who's that fat chick that keeps hanging around you?  man 2: some fucking cock barnacle that won't leave me alone" What is the definition of "cock barnacle"?