Slang for spastic, mong and used towards someone with a lack of common sense or someone who has said or done something stupid. Usually preceeding the 'tongue in bottom lip' face; sometimes with a small, slow slap to said bottom lip and a 'duuuuuhhhhh' noise.

Can also be used for a not so clever hardman. A tough guy with a lack of intellect.
What did you go and say that for Bob, ya fucking Rembo. Duuuuuhhhhhh.

Did you see Mick chucking his weight around last night. Couldn't get his own way in an argument so went all rembo on the bloke.
by DeionWilliams November 4, 2010
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A kid that is trapped in a well, and his brother Chang, tried to ask his mom for help but she would't because the brother didn't say his whole name. The moral of the story is that 'there is a reason Chinese people have short names.
tikki-tikki-tembo-no-sa-rembo-chari-bari-ruchi-pit-peri-pembo: "Help me! i'm in a well and i cant get out!!"
*Brother runs to mother for help*
Chang: "Help tikki-tikki-tembo fell down a--!"
Mother: "Say his whole name or don't finish that sentence at all!"
by SalsaDaddy March 9, 2018
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