This is when a guy takes a bitch home from the club to smash and the bitch ends up stay over for days instead of just a few hours.
Damn Rob, I can't believe you are inviting the Cling-on over again. How many days is she going to stay this time?
2.friendly yet annoying
A term used for a social and academic loser who, in a desperate attempt to re-gain popularity, befriends an individual to the near point of stalking them.
dave is a cling-on. Get him away from me