Definitions by that girl;

FNB 

abbreviation used for 'fear no bitch'

"FNB!"
"What's 'FNB'?"
"Fear No Bitch! Say it."
"Fear no bitch."
"No, you gotta say it loud."
"FEAR NO BiTCH!"
"FEAR NO BiTCH!"

FNB by that girl; July 25, 2009