Under the sea, where there's B&B Anonymous submitted: I get that mermaids are usually more flexible....but seriously, there's gotta be a limit for their poor spines! Also why does she have like buttcheeks inside her fin... Source: A Sexy Mermaid Pinup Girl, Shutterstock) stock illustrations shutterstock swivel waist errant buttock rubber hips rubber spines boobs and butt pose submission mermaids gratuitous butts View the discussion thread.