you know you all know her, shes the fat girl at parties who dances all over the place and rubs her fat sweaty titties all in your face. there are mulitiple ways to use this word, and they are a subcultural phenomena. the acronym is BTPG.
BTPG as a noun:
a fat, nasty, dirty, alcoholic, slutty, topless table dancing, nasty titty rubbin party bitch- with sweaty double chins. always has a lisp because the fat on her face forces her mouth and tounge to make her sound even more disgusting.
BTPG as a verb:
drinking obscene amounts of alcohol preceding dancing topless on various objects while rubbing one sweaty titty in anothers face while smelling like 6 shitty cans of shark shit.
BTPG as an adjective:
sharing common qualities of a btpg such as sweaty titties, back titties(sweaty), bowlegged, slutty or in any way displeasing to the penial region.