A silly band ho is a person that is obsessed with trading, buying, and basically silly bandz.
Girl 1: Hey, I'll trade your purple and pink flower for a red mickey mouse!
Girl 2: No way man, I just traded my purple dinosaur for this!
Girl 3: You guys are such silly band hoes.
Guy 1: Dude, this girl practically tackled me for the silly band I'm wearing for my girl.
Guy 2: Wow, what a silly band ho