Cumplug means: This person is like a drug dealer’s plug. They will ejaculate on your skin for $5 a pop. Another name for prostitute. (in Community Dictionary, added by FulbrighHent)

What else does Cumplug mean?

  • After sex, the dried seman accumulates at the tip. The urine stream of a man after his first coital urination will flow in an unpredictable direction until it bursts. (in Community Dictionary, added by Ufology)