Sesilye Share definition Flag A thicc fine ass girl who is caring but does NOT share her food. she will help you through a lot but will beat you up for breathing. Friend: yooo have you seen sesilyeMe: yeahh she hella thicc Sesilye by okayboomer84 December 9, 2019 0 0 Get merch Get the Sesilye mug. Buy Now — $32.95 See more merch