1) A nick name for a person that has a huge butt.
2) A person who is known for their butt.
3) A person who has a butt that you'll remember.
Boy 1: Damn look at that while girls booty.
Boy 2: She is definitely a BP.
Someone asked me for a bp but I thought they meant bj and being the whore I am I said maybe only realizing moments later they meant booty pics and I instantly wanted to commit die because I would much rather people think I'd give a blow job than send pics😞
you're not bulletproof.
zack: we can get the 1s
person: I mean you're not bp