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1.
A phrase used after a successful attempt. Used sometimes to rub in success to your friends, or to say "beat that." When two people complete a task together, often one will say the first half and the other will finish the phrase. A dramatic pause may also separate the first and second words of the sentence.
Jim gets a 100 on his math test: "Badaching badachang!"
by BadaChinger July 29, 2011