When you shove your fingers half way some poor fellow's butt hole. Bonus points are added for when they clench up their butt cheeks.
by camdizzle14 May 30, 2016
Get the Doinkmug. by JSKTPR September 14, 2019
Get the Doinkmug. by Mewples June 15, 2024
Get the dink doinkmug. i like to doink my squishmallows
by pudgethepancake August 21, 2020
Get the doinkmug. 