IGAB started when two friends were talking online and abbriviating everything. IGAB stands for I Got A Boner.
dude, i was sitting here, and that girl walked by and IGAB.
by CWBWBN April 02, 2006
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Started by two friends talking about boys. It means in giggles and butterflies.
I'm so igab with this guy.
by meadowkiss October 21, 2010
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