Thak you Share definition Flag When you want to thank someone for a service but fuck him anyway. Shortcut of "Thank you but fuck you". 1. Anne : "Here's your present for your birthday, bitch." 2. Hannah : "Thak you!" Thak you by gswsupporter November 16, 2021 0 0 Get merch Get the Thak you mug. Buy Now — $32.95 See more merch