Horse Q of the Day: Conformation Another name for this topsy-turvy neck? 1. A conformation flaw, what do you call a horse's neck that dips on top and bulges on the bottom?cresty neckewe neckupside-down neckswan neck Loading... Share this:ShareFacebookTwitterPinterestLinkedIn Related Related posts: Horse Parts VI: How much do you know? Horse Parts III: How much do you know? Horse Parts II: How much do you know? Horse Parts I: How much do you know?