Adj. Combination of ghetto and trashy. When being cheap and white trash aren't enough. When using the words ghetto or trash aren't enough. Used to describe people or acts that make someone that is ghetto or trashy look good.
That girl in the booty shorts with her ass hanging out, and the badly dyed blue hair is so tretto.
by wyntersrayne September 09, 2011
dammm katelyn an amber sum tretto thugz.
by bomdiggidie July 29, 2007