(US, informal) A Parental Advisory sticker.

plural of Tipper sticker

plural of car-sticker

(UK) Synonym of bumper sticker: a large sticker intended for use on the rear end of a car.

plural of pig sticker

plural of beetle-sticker

(slang, dated) An entomologist.

(bridge) Designating a category of contract bridge conventional agreements that are difficult to defend against, and thus only permitted at high levels of tournament play.