The act of performing or recieving a handjob while mainting a limp penis.
Chris got slack roped by a cross dresser the other night.
Dave slack ropes dudes for crack rock.
You're ugly enough to give me a slack rope.
"I was really bored so I let Alexa give me an unbelievable slack roping"
I got some mad slack rope at Tam Tam's he other day.