Giving yourself head while pinching a loaf. A cross between blumpkin and limberoni. (If your not sure what limberoni is search for limberoni.jpg on the web.
Nothing like a blumpkeroni to take the edge off.
by Mr. Blumpkin September 08, 2004
1 more definition
n. the act of orally stimulating one's own penis while discharging excrement from the anus.
Overjoyed at reading the latest Urban Dictionary entries, Satan and Hitler took a break from their rusty trombone to celebrate with a few solo blumpkeronis.
by Satan's Blumpkeroni December 16, 2009