masterflashing
the act of exposing oneself to another person while mastubating in order to achieve erotic pleasure. A combination of the terms "masturbating" and "flashing". Note that this term has no relation to the rapper Grandmaster Flash.
Dude, that guy over there in the long raincoat was totally masterflashing us.
masterflash
any suffix added to the end of someones name, creating a dope and fresh feeling amoungst people who know them.
"Yo streetmasterflash what you be doin son?"
"Hey kmasterflash my boi, i seen dat fresh ass burner you rocked on the lower eastside dawwwg, dat shit was wild!"
"Hey kmasterflash my boi, i seen dat fresh ass burner you rocked on the lower eastside dawwwg, dat shit was wild!"