Top definition
A grumpy/hungover friend or acquaintance who is always on your couch in the morning preceding a night of heavy drinking and chilling.

He/she hates the sound of you getting ready for work, starting the coffee or any other general "morning" sounds.
"I wanted to watch tv in the living room this morning, but Emerson was being a huge couch diva."
by mophie March 26, 2014
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