Definitions by uroligist's beeotch

duck butter 

The multicolored cheeselike smegma that collects inder the foreskin of uncircumcised men. in case you don't know this, you should be cleaning that so i don't have to in the doctors office!

Dr. says "Whats that under your foreskin, sir?" Its duck butter, Doc.

duck butter by uroligist's beeotch August 12, 2009