This phrase was brought into prominence and popularized by Chappelle's Show in episode #204, where Rick James says "
fuck yo couch, nigga" when he is caught kicking mud on
Charlie Murphy's white couch.
The phrase entered pop culture lexicon to mean audacious contempt, discontent or disregard for a given standard, convention or ideal, or utter indifference to a given situation.
Man: "Dude, my girl dumped me and I am so hurt."
Man 2: "Man, fuck yo couch nigga, I got my own problems."
Man: "I hope
John McCain wins the election in
2008."
Man 2: "
fuck yo couch, nigga! Obama will win in 2008!"