Jahbungoo
did a great job; pulled it off well; had a lot of success with something. Used by really cool teens in the Brooklyn, NY, and probably elsewhere in NYC.
Can also be used as "Bungoo"
Can also be used as "Bungoo"
You walk in with a new outfit and your friend says, "Damn, girl, Jahbungoo!" or, you get a 100% on a test and you yell, "Jahbungoo!"