1 definition by Pooface 91

Stands for: Infected By Association

When a guy or girl is so sketchy, sleazy or nasty that you feel infected or disgusted by just being around them.

Can apply to someone who is not actually sleazy but appears to be.
Did you see her? Major IBA!

She sat beside me in math class. IBA to the max!

I felt IBA around him, he's so dirty
by Pooface 91 February 10, 2011
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