look up any word, like cunt:
 
1.
dank buds of marijuana that have been placed in or on a couch for a undisclosed amount of time.
"Hey who's couch nug is that? can i throw it in this rello?"

as in attempting to fill a cigarillo with marijuana with a nugget of merijuana found on or in the couch.
by catatafish May 18, 2010