A limp penis that has been stroked to the point of ejaculation causing the semen to ooze out and become a lubricant for the final strokes of masturbation.
After he forgot to take his Viagra, and his date went home disappointed, the old man rubbed his flaccid dick and settled for a slippery eel.
by bliponthescreen February 03, 2011
1 more definition
1. The act of having anal sex while using WD-40 as a lubricant.
1. Nigel just got finished giving Clyde a slippery eel in the men's bathroom in the high school.
by Garthhh October 18, 2005