Black Couch 

Refering more to a Casting Couch, mainly used in pornography.

Also as slang to calling a person a slut, or hoe.

Damn girl, I'll put you on a black couch

Black Couch by Theleach August 7, 2014

couch block 

When one sits at the end of couch so you can't lay down and fully extend your legs, just as your about to extend your legs and lie down. (Inspired by "cock block")

I was just about to lay down on the couch and my wife totally couch blocked me!!!

couch block by ricksie July 29, 2012

get your ass back behind the fucking couch 

When you’re playing battletoads and someone you don’t like wants to play

Person: Alright, I’m going to play Battletoads now
Person 2: Can I play too?
Person: No, get your ass back behind the fucking couch

get your ass back behind the fucking couch by FJK SHDGIUSGJK ORJKRNF:OGHUI*( December 19, 2019

Balck coch 

a way to spell black cock with out knowing

you such a balck coch

Balck coch by andy ray January 19, 2017

Coach Block 

When a baseball player's conversation with a college coach is interrupted by another player. Similar to the "Cock Block".

Mike: "Chris is over there talking to Coach Holbrook from South Carolina, should I go over there and introduce myself?"

James: "Don't coach block him dude, maybe if you started raking like Chris he would show some interest!"

Coach Block by BaseballParks8 August 4, 2012