Noun: a pal/not super close freind of yours thats loopy, crazy, and/or drunk.
My jembo Angie is on a major rampage and is running around wild!
Used in spoken word in lieu of a noun when it can not be thought of at speed.
Synonyms:Yoke, thingy, shit etc.
I went to jembo on my jembo today, in the process forgetting my jembo, so I was forced to use a jembo instead.