Top definition
The act of having sex with a girl from behind before pulling out to ejaculate all over her rear.

Also known as glazing
Last night i was ready to bust my nut so i pulled out and went frosting the buns instead... Im not being no baby-daddy at 16!
by Ckhemikal July 12, 2014
Get the mug
Get a frosting the bun mug for your father-in-law Trump.