Another term for the anus. Refers to the eyeball quality of the anus when viewed from certain angles or positions because of its uncanny ability to look at or see through a person.
When I was taking her doggy style, her little browneyeball soulfully gave me a wink of approval.
a small notebook or document in which an individual keeps a running list of the names and phone numbers of people they have had anal sex with.
bro 1: "hey man, do you have that Puertorrican midget's number?
bro 2: "yeah it's in my little brown book, let me get it"
(bro 2 pulls out LBB)
bro 1: damn, that thing looks like a phone book, no wonder every girl in this city is walking funny."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.