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1.
Stands for "I Blame The Patriarchy"
Women are oppressed daily worldwide, and IBTP.
by mj121 July 02, 2007
 
2.
acronym; In Before The Poll
In a message board thread well-suited for a poll, but not yet having a poll, a poster might come along and post "IBTP." All users of the AR15 know this.
by DrMark August 17, 2006
 
3.
an abbreviation for: itsie bitsie teenie peenie
Damn, Shaniqua came back home early one night and said, "that fool had an ibtp!"
by uraflit June 21, 2006