A cainer is a british slang term for a person who likes to cain (take drugs, smoke weed, drink alchohol)
The word cain can mean to indulge in something to a rather extreme extent. This particularly relates to the 'caining' of drugs, alchohol and marijuana.
"That fuck heads a right cainer"
"My mate Daveo cained all of the coke"
"Alright cainer, shall we get hammered tonight?"
"That greeny lads a right cainer."
-"Dude, that portuguese guy just joined my h2h bracket and he already has 900 points! I hate these coiners!"
-"Yeah, I know, he does that every time... he just can’t help but paying to win. Last time he did over 4k points in my bracket!"
Sexiest book character ever. For Michael Grant's GONE Series. Big ego, big dreams, big issues, yet still entirely lovable. Adorable and passionate and the character you always find yourself giving a second chance to.
Person #1: Caine Soren tried to take over Perdido Beach again.
Person #2: Yeah, what's new?