A sticky purple or red substance found on a child's hand as a result of being a little kid. Often found on the back of DVD's, CD's, or any other valuables.
Get your jelly fingers off of my stuff!
ayon kay Dookadookydoo ika-11 ng Abril, 2006
The sexual act of surprising your partner by making your finger limp and wiggly, like that of the jelly inside of a donut, and forcefully inserting it into his or her rectum.
I suprised that skank when i gave her the ole jelly finger.
ayon kay Jelly Wiener ika-11 ng Nobyembre, 2009