1 definition by ibserious

Top Definition
IBS
Acronym for "I Be Serious". Sometimes people say ibserious instead of IBS.
Ted: So his pants fell off when he was dancing?
Michael: IBS
Ted: Are you sure?
Michael: ibserious.
Nick: lol ftw.
#funny #ibs #ibserious #rofl #lmao #omg #haha #lmfao #wtf lawl #roflmao #laugh #lolz #roffle
by ibserious May 09, 2008
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