1 definition by vincecolosimo

Top Definition
Acronym for Internal Pants Bulge Boy. i.e. a boy who constantly has a bulge in the internal section of his pants ( just above the penis)
"ZOMG Did you see Fulvio's internal pants bulge?"

" Yeah he always has one, we should start calling him IPBB"
by vincecolosimo August 18, 2011
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