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"
" Yeah he always has one, we should start calling him IPBB"
by vincecolosimo August 19, 2011