A Social Justice Couch Potato (SJCP) is a Social Justice Warrior (SJW) that does absolutely nothing about the social injustices they dislike. Most SJW's are actually SJCP's.
"I'm such an Social Justice Warrior."
"No, all you do is sit there and complain. You're more of an Social Justice Couch Potato . . . "
The act of sneaking into a house in the middle of the night in order to conceal oneself in a couch. Then cutting a hole the size of the assailants penis into the couch cushion. Then when the perspective victims mother sits on the couch she will be in for quite a surprise. (let's all hope the mother sits down first)
Brendan: "Did you hear about Billy; he's in the hospital,"
Jon: "Ya I heard 12in Joe tried to give his MILF mom the couch potato but he sat down first,"