look up any word, like cleveland steamer:
 
2.
A splint or similar device used to suspend a damaged penis.
"I was doing her in the butt, then she clenched and now I'm in this cocksling, story of my life man, story of my life.
by LOL April 05, 2003
 
1.
to flip your errected penis into your wasteband. It is highly un-noticeable this way and it totally rocks your world.
Phil: Man I have a huge errection right now!
Dave: Don`t worry man, put it in a cock sling!
by dave kadden April 16, 2008
 
3.
A sling for one's broken or fractured cock.
Damn! Not again. Where's that cock sling.
by bluntman and chronic cam June 19, 2006