This phrase originated from, was popularized in, and was entered into prominence by Chappelle's Show in episode #204 where Rick James says "fuck
yo'
couch, nigga" when he is caught kicking mud all over Charlie Murphy's white couch.
The phrase entered pop culture lexicon to
mean audacious indifference or apathy in acts of disobedience or to a given situation.
"Man, my girl left me, I am so
hurt."
"Man, fuck
yo couch nigga, I got my own
problems."