A depression in the cushion of a couch or chair formed by many hours of sitting. First known usage by Homer Simpson.
Don't sit in my ass groove! You'll mess it up.
Beküldő: kelly 2003. szeptember 12.
1 more definition
See Butt Marks
Ass grooves were left from sitting on the coach all day.
Beküldő: dwayne 2004. május 12.