look up any word, like guncle:
 
1.
To be having a great deal of money, but at the same time beinga faggot.
Rythum : Yo bro, hes coyning, I don't know if I should hang out with him.

Ash: Yeah, hes annoying when he's coyning.
by Umerica February 28, 2011
 
2.
to have one's head up his ass so as to think he had innate ability
His coyning in the boat was absurd, considering he was a novice.
by Butch March 02, 2005