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1.
A Unit of measurement, that when you see it you will know it, and if you dont know it, you wont see it.
"Boy 1: how bigs your penis?
Boy 2: my girlfriend says it's gajungga.
Boy 1: whats that?
Boy 2:I think about 32 oz."

"Girl: holy shit thats gajungga
Boy: What the Mcdonalds ice tea.
Girl: yeah i found gajungga."
by Muffinskillz March 21, 2009