1) Someone who constantly acts like a clown and is slightly retarded.

2) A more politically correct alternative to mongole - a word related to the country of Mongolia

2) Also a small furry creature
1) Facey, give me back my watermelon you mongoose!

2) That mongoose is gonna get kicked outta school

3) Your mother's a mongoose!

by Adrian Glenn October 23, 2005
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Like the vehicle in Halo, a mongoose is that one bro who every girl knows is there but no one wants to ride.
"God, there are like no guys at this party"
'What about Mike?"
"Nah he's such a mongoose"
by claymor1515 November 28, 2011
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A cocky dick that talks to loads of girls, arrogant, self obsessed and overall a douche
God that guy is such a "mongoose"
by Myaahh April 24, 2015
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verb - to put both your arms and legs into the arm holes of a hoodie. with your head in the hood. leaving just your ass sticking out in the air.
before i got onto the elevator i decided to go mongoosing. so put my hoodie on in such ways. when arriving in the elevator i asked for somebody to hit floor three. arriving at my destination, i summersalted off.
by poopymcpooppoop July 24, 2009
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When you hold the front brake on a rear wheel drive vehicle and then hit the gas until the rear tires start spinning. Also known as powerbraking
Me and the police were mongoosing in the Burger King parking lot!
by worldclasslifesaver August 12, 2011
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to skip school with friends. only possible to do if your a BAMF.
Daniel: Let's mongoose today
Victoria: Hellll yea. We can go to Galveston!
Zac: Can I come mongoosing with you too?
Daniel & Victoria: Yea, your a BAMF!!!!
by dippie&vicki April 6, 2009
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