I'll be back.
A tribute to Arnold Schwarzenegger and popular internet slang abbreviation.
*Man about to leave classroom*
"IBB."
by N 2the eighbor February 10, 2009
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an acronym for the words "In Before Ban".

used mostly on gaming and anime forums.

if someone with tons of posts says this in response to you, kiss yo ass goodbye!
when someone is spamming muchly, just type this - IBB!!! and IBL!!!
by Anorion May 19, 2004
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"Icy Burberry Bitch"

A bitch so cold that she not only refuses to acknowledge your presence but pretends that you don't even exist.
Noticing that we were approaching, the IBB quickly put on her sunglasses and headphones because she was that much better than us.
by Cal May 23, 2004
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Chatroomguy1:Hey I gotta go but I'll be back.
Chatroomguy2:Why didn't you just say IBB?
Chatroomguy1:What does IBB mean?
Chatroomguy2:It means I'll be back, it's just easier to say IBB, so next time you have to leave but will be right back just say that, we will know what you're talking about.
Chatroomguy1:Ok, IBB.

by Friend Of Albanians September 18, 2007
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Itchy butthole breath-When a persons breath smells so bad, it smells like a dirty itchy butthole.
Damn girl, what have you been eating? You got a bad case of IBB.
by Carlspumpkin June 17, 2009
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"I'll Be Back"
No, not the terminator way.

When you're online and you're going away from the computer and you:
A) Don't know how long you're going for
B) Be gone for a while

In short, a way of saying brb but if you're going for an undetermined/long time.
jkfjsdkfkld says:
Ibb, gonna go take a nap
jjskfhsdj says:
kk

klfjfslksdg says:
Ah, my mums calling me, ibb
sdkfldsfjk says:
your mum is gay.
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