Top definition
The flaky remains left behind after a woman has a formal bout with a dick for any mentionable amount of time.
"I thought it was sand in my bed until I recalled railing that old cougar until she shed fuck frosting on my four hundred count egyptian."

"I'd really like to try on these fashionable swimming trunks today while I'm at the mall, but I'm free balling it and still have fuck frosting all over my johnson from this morning."
by Tattered October 12, 2011
Get the mug
Get a Fuck frosting mug for your Aunt Larisa.