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Meaning 'It's all bullshit'
Coming from the 2005 film 'Dirty Deeds' which says 'IAB'
IABS is a clearer way of saying Its all bullshit
because IAB could mean 'I am bored'
Person one: "Dude! i heard your girlfriend fucked tom last night!!"
Person two: "Na man, IABS, She was with me the whole time"
by jellycat713 March 01, 2011
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It's All Bullshit. Most widely known from the 2005 film, "Dirty Deeds".

High school, racism, differences in people, and meaningless mama drama crap are all bullshit
Don't care what other people think because IAB
by IAB July 10, 2008
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Abbreviation for 'in a bit'. Used mainly in text messages, e-mails and instant messaging.
'Do u wanna cm 2 my house 2day??'
'Yh, fo sho, ill b ther iab!'
by Cross Dressing Gorilla July 15, 2008
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