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1.
THFD is an acronym for the oft-used phrase "Too Hot for Daddy." It is used during a sexual encounter when something is too kinky, but recognizably hot, or simply when your partner is just too attractive for words.
She was standing in front of me half naked when I said 'thfd.' She asked me what it meant, then got dressed and left.
by Dr.Congo July 28, 2010