another term for retard, normally used to describe someone acting stupid or silly, but can also be used to describe an actual retarded person.
"Don't be such a fuckin' rebab."

"Frank was shaking his head like some kinda fuckin' rebab"

"I felt bad for laughing at that bus full of rebabs"
by Nicky the Bool December 23, 2008
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ri bab/
informal
noun
1.
a conversation you have between friends to motivate one another and to pump up their self-esteem. Stems from the acronym “Remember Your A Bad Ass Bitch” RYABAB
Hey work is killing me right now and I have no motivation, can we rebab?

I am in dire need of some rebab, Peter just broke up with me.

SOS, rebab.
by yeebudddy July 25, 2018
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When you spew up your kebab after a night out drinking
Ah sick did you just see that guy rebab!
by XxXmeXbabyXxX October 21, 2010
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