Plaster is just another word for Band-Aid. They are used to protect a small cuts and wounds from infection.
Pass me a plaster I cut my finger.
When one pulls out his penis to ejaculate all over the girls face. also see sperm spackle.
"By the time i got done pounding that chick, I left plaster all over her.
(mainly UK and Australia, slang, vulgar). A rare example of triple rhyming slang: Plaster = Plaster of Paris = Aris; Aris
= Aristotle = bottle; bottle
= bottle and glass = arse
sticky strip which hurts wen pulled off da skin.
ouch dont pull the plaster off.