by Caltag February 2, 2004

A phrase tokened by a racist white guys meaning make-believe. The phrase derived from a white guy mispronouncing "Maamajomboo," which is a masked dancer from the Mandingo tribe in West Africa. So yes, you saying it makes you racist too you racist.
by TornadoGordo July 19, 2017

The college alcoholic drink mixed with your very own ingredients, promised to get everyone twisted and enough for everyone around.
Sam: Yo what you cooking up?
Lee: I'm making some jumbo juice dude!
Sam: Make sure you have enough for everyone though!
Lee: No doubt!
Lee: I'm making some jumbo juice dude!
Sam: Make sure you have enough for everyone though!
Lee: No doubt!
by Daviddeedee December 18, 2012

by Anonymous April 30, 2003

by Crasist September 29, 2009

when you stuff your fat dick inside a hoes fat cat or ass so hard that they cant walk straight for a week....( limping)
Chuchin: damn bro i jumbo jacked your girl last week and shes bearly recovering
johnatan: no wonder she had troble sitting down
johnatan: no wonder she had troble sitting down
by Michel angelo January 18, 2009
