1. A quote from Principal Vernon in The Breakfast Club, said as a jovial burst.
2. A Midwestern slang term meaning "let's go."
Katelyn, Hailey, haga naga! We have a shift at McDonald's.
by abdulassi February 23, 2023
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A mythical, Beautiful but kind hearted cave creature from the Mystical emrald land or Ireland.

-Doc
Ama, you are a Haga.
by MAdbARON March 6, 2016
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When you're really haha-ing but need to add an extra +1
Jack: I exist to better humanity.
Janey: Haga!
by MakingWordsSmartness October 3, 2018
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