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Pretty much synonymous with "whatever" (aspect of "yeah right")... often used in response to "halt mein"...
Person 1: I said that team was going to win.

Person 2: Waacka decka, no you didn't.

Person 3: Yes I did!
by jaguar7444 January 15, 2010
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Sep 9 Word of the Day
the thing that you don’t have when you’re phones percentage is over 20
phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz
by lik_frls_dis.me February 12, 2020
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