A BBF (noun) also known as a Bare-Bum-Fart is a farting position where one lowers their trousers and underwear, then parts their bum cheeks and breaks winds allowing the gas to seep into the surrounding area free from filtration of the layers of clothing that may cover the bumhole region.
1. Anna BBFed before her first date with Tom so that her underwear didn’t have brown stains on.
2. ‘Oops’ said Tom as he lowered his pants, ‘I must of forgotten to BBF (Bare Bum Fart) at some point today. My pants are brown, Mummy isn’t going to be happy.’
2. ‘Oops’ said Tom as he lowered his pants, ‘I must of forgotten to BBF (Bare Bum Fart) at some point today. My pants are brown, Mummy isn’t going to be happy.’
by ThatsNachoBurrito October 27, 2021
Get the BBF (Bare Bum Fart)mug. commonly used by people in the south; after somebody gets scum (high) as fuck this is what you call them
Joey: *just finished smokin a phat blunt* *walks over to Tim*
Tim: “Waddup scum bum? How you feelin?”
Tim: “Waddup scum bum? How you feelin?”
by NikkiMB123 July 24, 2018
Get the Scum Bummug. The chunky soup like substance that lives in and around ones anus during or after diarrhea or not wiping.
by Big_daddy_jankins October 28, 2021
Get the Bum gumbomug. by TheUncutPimp January 16, 2023
Get the backpack bummug. 
Bum Crease is used to describe someone who usually smells Like shit or just really musty in general.
by Candicesugondese May 1, 2021
Get the Bum Creasemug.