Definitions by Luck O’ the Irish

frosted thumb print cookie 

When a man fingers their partners anus with his thumb while either self stimulating or having vaginal intercourse to the point of ejaculation, when the thumb is removed and the anus is covered in ejaculate. Named for the appearance and method of baking a thumb print cookie.

I gave her a frosted thumb print cookie for the first time tonight.

frosted thumb print cookie by Luck O’ the Irish August 26, 2019