Bi-Twixual Share definition Flag A person who enjoys the right twix just as much as the left twix and vice versa when eating a Twix chocolate bar I prefer the left twix That's so lame I like the right one better I like both You're a bi-twixual Bi-Twixual by IfShakespeareWasHere January 18, 2015 0 0 Get merch Get the Bi-Twixual mug. Buy Now — $32.95 See more merch