Definitions by tynan09

bsb 

when a girl tells you that she had sex in the back seat of another persons car and does it rapeatedly (back seat bitch)

friend 1:i shag a guy in his car last nite
friend 2:you such a bsb

bsb by tynan09 December 16, 2007

dilso 

when a girl is a total slag and will sleep with anyone who thinks it at all.(dirty little stop out)

if a girl cheats on her guy cause she wanted dick you say your such a dilso

dilso by tynan09 December 16, 2007