A large african penis that curles onto your leg.
Mr.Boyle hurt his leg because of his huge black gigantic mumba that was going to penetrate moyo.
by Mr.StealYoMumba March 3, 2014
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The Mumba is an introduced species to Australia known to prey on anything with a heartbeat. It has harnessed the power of the darkness as a weapon and, unlike the Mamba, can spit it's venom. There are also unconfirmed accounts of it being able to use the victims own tears as a weapon against them. But alas no one has retained their mental faculties after an attack to confirm the rumour. Also has been known to emit a hissing sound after an attack, but never before.
"Why is Byron cowering in a fetal position and speaking gibberish?" "It's cause he's just been attacked by the Mumba" 'Sssss, sssss'
by jrunkygumby July 21, 2014
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A fake unrealistic person who’s a butt
Temi is such a mumba. He thinks he’s a unicorn.
by Idec June 2, 2018
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When you snap someone in the balls with two of your fingers shaped like a Snake Fangs
Look at Happy Boy he just got a Black Mumba
by Junkie3688! April 11, 2007
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1) An incredibly whack e-mailer
2) A person who was once 'holier than thou' but is now simply 'more sloppy than thou'
3) A modern-day John Rolfe
4) A synonym for 'dalmation'
5) Someone who is so bored during break that they spend hours searching for mildly funny things related to their friends' names but never realizes that he/she can just create their own joke
1) Do you think there's anyone in the club that didn't already know 'ralph' was a synonym for 'barf'? That e-mail was so whack it must have been from Big Mumba
by Major Ursus December 24, 2008
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