Beach Bagel Share definition Flag A girl that gets a sandy vagina (typically sand that is stuck inside and hard to wash out) after sex on a beach. I had sex with her the other day on that private beach and she got a beach bagel. Beach Bagel by Zikiro April 1, 2015 0 0 Get merch Get the Beach Bagel mug. Buy Now — $32.95 See more merch