An accidental erection, that arises only in the presence of a gay stimulus.
Dude, I'm not comfortable being around Lambertson any more. When we were in the locker room he popped a serious jimbo
by thefiend05 March 11, 2008
1) Regurgitated cum bubble that is generally blown through a male's nasal passages.

2) Refers to an unintelligent, moronic neanderthal that finds humor in himself when others do not.

3) A male or female who receives great levels of gratification from touching "tra-la-las"
I cannot believe a jimbo was released in the middle of class.

You are behaving like such a jimbo, get over yourself!

She was a total jimbo last night, it was great.
by Gunther100 October 05, 2009
Verb meaning the act of masturbating in your mates bed while he is asleep
Ellis was sleeping while I jimboed last night
by Jim Murdoch October 17, 2006
A word used to refer to a penis.
Look at Jimbo - he is excited
by smurray444 March 03, 2007
A boys name that is synonymus with obessity. You would be hard pressed to find a guy named jimbo who isnt a fat ass.
"Jesus Christ Jimbo, loose some weight."
by chris122790 May 06, 2007

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