The definition of Thirst:
-Wearing a bikini in the winter
-filming a video wearing said bikini in the winter
-begging people to come to your show
-singing a song, begging people to come to your show
Used in a sentence:
LeAnn Rimes is singing a made-up Christmas song while wearing a bikini in a promotional video begging you to come see her Christmas tour, because she is full of Thirst.
Let’s see it in action: