– back one out – back on (one's) feet – back on pipe – backronym – back room – back seat driver – back shot – backstab – backstabber – back to (one's) roots – back to square one – back up off – bacne – BBIAB – BBL – behind (one's) back – bite (one) in the back – bounce back – BRB – break (one's) arm patting (one's self) on the back – bust (one's) back – BYBBQ – BYU – clap back – dial back – drop back kick – dust (one's) back off – fall back – flat back – flat-backer – GBTW – get back in the game – get back on the horse – get our backs dirty – go back to the drawing board – hang back – have (one's) back – have (one's) back to the wall – hit back at – HOB – holla back girl – kick back – knock back – knock the back out of that – laid back – long back – make (one) dust (one's) back off – make the beast with two backs – monkey on (one's) back – no back bone – not asked back – on (one's) back – on the back burner – pat (one's self) on the back – pat on the back – peeled back – pin (one's) ears back – push (one's) wig back – roll off (one's) back – set (one) back – shotty back – stab in the back – take-backs – talk back – throw (one's) head back – tore back – turn (one's) back on – turn the clock back on – walk back – watch (one's) back – WBS