At a party, it's the drunk guy who chooses to lie on the couch and pass out instead of continuing to get drunk and fraternize with the other partygoers... and it's not even eleven o clock!
Hey Matt, quit being a couch pussy and come get drunk with us!
The act of getting laid by a peice of house furniture, particularly a couch. Soft billowing cushons seduce ones cock into an all out fuck frenzy.
What are you doing tonight? bro....I'm just going to hang out, play video games and get some couch pussy.....right on. bro.