Warm Donut

A warm donut is when you have someone spread their asshole and the other person puts cinnamon and sugar on their dick then proceeds to put the dick in a fast in and out motion creating the anal cavity to heat the then girl licks the cinnamon and sugar off dick - Warm Donut.

"Hey Burny, I did a warm Donut with my gf last night, you should try it with your mrs."