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The act of giving a rim job with a Frozen dessert. Such as Italian Ice, Ice Cream, Frozen Yogurt, or Gelato.
Usually performed by a woman over the age of 45.
Grandson- "Hey I was at my grandma's house and I walked in on her and her neighbor Performing a Fancy Nancy"

Dad- " You're grandmother is a whore son"
by Mr. Creeps September 20, 2010