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."