Since a scrub is a guy "hanging out the passenger side of his best friend's ride, trying to holla at" women, then he's looking for a woman to holla back: a hollaback Girl.

So, if you say that you ain't no hollaback girl, that just means that you don't want no scrub.

#ShowerThoughts #FYI #PSA #Scrubs #HollabackGirl #TLC #GwenStefani