A bsf means best friend usually, bsf can mean a best friend who is like a sibling to you or just a best friend
by Your_Dictionary April 14, 2019

by foreveryounnng October 21, 2012

"Bull Shit Foursome"
Four friends who often go out together on random crazy adventures and day trips.
Four friends who often go out together on random crazy adventures and day trips.
by Cindy5 January 24, 2009

by Kukoo October 12, 2010

by CoolerThanYou32197392183 January 23, 2009
