Basically another phrase for masturbation, except it's more fun to say. To "sling jelly" is to masturbate.
by Arkatron Duke Mariot December 25, 2013
 Get the slinging jellymug.
Get the slinging jellymug. A nickname for a Finnish light machine gun (Kk 62) mocked for its terrible capabilities and reliability. Often nicknamed by soldiers as the "Diarrhoea Sling."
by NaggerNick January 8, 2020
 Get the Diarrhoea Slingmug.
Get the Diarrhoea Slingmug. A sling in which a man wears from his neck down through his junk to hold it in place. Similiar to that of a Banana Hammock but a One piece from the neck to the male junk.
by Jonny cred:Pam December 14, 2010
 Get the Junk slingmug.
Get the Junk slingmug. When a man ejaculates into his hand and then proceeds to "sling" the seminal fluid at a girl's face in a manner much like the Amazing Spider-man.
by Ross Johnson April 13, 2006
 Get the Web-Slingingmug.
Get the Web-Slingingmug. A sweet alcoholic drink usually made with gin, Benedictine,  cherry brandy, Cointreau, pineapple juice,fresh lime juice, grenadine, bitters
Also the name of a movie.
Also the name of a movie.
by TriciaC January 3, 2007
 Get the singapore slingmug.
Get the singapore slingmug. A nickname for the beautiful thing called a penis. It's a glorious name for a glorious dick, and if you've been told you have a sling dong, you're set for life.
Bria- "Have you seen Kendall's sling dong? It's amazing!"
Cristhian- "Please, Evan's sling dong is way better!"
Cristhian- "Please, Evan's sling dong is way better!"
by AyeEvansSlingDong July 18, 2014
 Get the Sling Dongmug.
Get the Sling Dongmug. by Matt Frankenfield May 13, 2006
 Get the salami slingmug.
Get the salami slingmug.