Top definition
Pronounced, Ian B, its an acronym for "I Ain't No Bitch." It gives extreme amounts of confidence when in a tight situation. It is shouted to help someone overcome fear or confusion. When you are stuck in a situation where something is hard to decided, such as, "Should I run the yellow light?" Say to yourself, "IANB!" and everything shall clear up.
"Dude, I don't know if I can go talk to her..."
"Freakin' A man! IANB!"
"Yeah, you're right!"
by Keoni Nelson February 06, 2008
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