The term is seldom used to describe people who pay for things which don't give a gameplay advantage over free players, such as cosmetic modifications.
2. A person who coins or mints new words that catch on and enjoy general usage. NOTE: Just as with money (the origin of the metaphor) there are legitimate coiners whose product has value...and there are counterfeiters who produce cheap, fake, debased words that devalue the language.
"That Rehka, what a coiner... She's making up words all the time!"
A boner who's cause would be generally regarded as inappropriate. Particularly pertaining to a conflict within oneself due to having said boner over the subject in question.
"Bro i know it's wrong but that midget in the tube top is giving me a raging C.O.I.ner"
"Have you heard about Beast Chokeing? That shit gives me the weirdest C.O.I.ner."