1 definition by sghaskfkjhksjdfh

Diesel

The act of wiping your index or middle finger in between your but cheeks until there is a brown stain, then wiping it on someones top lip.

Person A: "Hey why did thingymebob vomit before you came back over here"

Person B: "ha ha, i just dieseled him"

by sghaskfkjhksjdfh June 3, 2011