Bangs that have not seen the hot stream of a shower in at least 48 hours.
"Look at my grease bangs, I'm bringing sexy back and I'm hunched over on two chairs"
by CSSJ April 09, 2007
when one skips a few days of showering and their hair becomes greasy. if they have side bangs they will split up in chunks of shiny hair instead of having a all the hair as one
Uhg.. these grease bangs are pissing me off!
by llllllllaaaaaaaaaaaaa February 13, 2010