Smexin Share definition Flag Mexican Hot dog. another way to call someone sexy. An inside joke between Angiie, Tyler, and Aden/Chantel. (: Mexican hot dog! has nudged you! gosh your so smexin! Smexin by AngiielikeRAWR August 1, 2008 0 0 Get merch Get the Smexin mug. Buy Now — $32.95 See more merch