The view of someones lower butt, where the cheeks meet the legs and are extending out past shorts that do not fully contain the flesh.
a big ol’ ass hanging out of itty bitty shorts, sort of like “muffin top” for the gut
-(description sourced from peopleofwalmart.com)
plural form of buttbag
"I can't wear those shorts in public, they give me hecka butt bags."
Girl, turn around, did you look in the mirror before you left the house? those daisy dukes are more like daisy butt bags dont's!