A person whom, for some reason or another, enjoys strapping jingle bells to their ballsack during sex, making a familiar holiday sound. Especially popular during the Christmas season.
Boy: Daddy! I think santa's at the Weinstein's house!
Dad: No son, Mr. Weinstein is just a fuck jingler.
Dad: No son, Mr. Weinstein is just a fuck jingler.
by JakE May 7, 2007