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
Top Definition
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
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