a "sex couch" that seems to possess special powers that leads to the couple sitting or sleeping on the couch to engage in sexual activities. generally the scrouch is activated from, but not limited to, excess alcohol consumption.
Bob: You will never believe this, but Jack got laid at the partylast night!
Sally: What?! Jack is too ugly to fuck.
Bob: Usually, but somehow he got a woman on the scrouch.
Sally: Just thinking about the scrouch is making my vaginey wet.
The act of crouching, but making it sneaky as shown by hit youtuberCall Me Kevin in the video entitled "This horror game allows you to become the horror"