The acronym for "Pee In Her Butt", generally used as an answer to a question that someone can't answer, or to express the desire to engage in anal intercourse with a sexually appealing individual.
Dude, my girlfriend isn't talking to me, what do I do?
Pihb
Hey check out that girl over there, I'd pihb her so hard!
Pihb
Hey check out that girl over there, I'd pihb her so hard!
by MonkeyShrub November 24, 2009
Get the pihbmug. by LS1.com sucks April 16, 2004
Get the pihbmug. by DerekS September 6, 2007
Get the pihbmug. by Kyle November 17, 2004
Get the pihbmug. by VincentVega November 20, 2006
Get the Mr. PIHBmug.