The giant indent left in the couch by one's posterior after an extended period of sitting. Often seen in conjunction with couch potato-itis.
The assdent your mom left behind after last night's episode of Desperate Housewives was so deep that we lost the remote, a half-eaten turkey burger, and someone's cat.
by samh5f April 28, 2010
An imporper spelling and pronounciation of the term: assodent.
DAMN IT! There's a fucking ass dent on my car!
by www.theroachyjay.tk July 13, 2006