To masturbate the male penis. A reference to the similarity of an erect penis to the shape of a classic Bishop chess piece.
Bash the Bishop: "I caught my little brother bashing his Bishop for the first time yesterday"
Very enthusiastic skier, to the point of being a know-it-all wanker.
Jesus, that guy thinks he knows everything about skiing, must be a one of those wanker, know-it-all, snowHeads.
A young girl with cum on her face. Reference to the similarity between male semen and wallpaper paste, such that would accumulate on the face of an inexperienced wallpaper hanger.
When I'd finished jizzing on her face she looked like a paper hangers apprentice.