When a person angrily swears under their breath. All that can be understood are the expletives, between unintelligible mutterings.
She heard him mutter-fucking in the other room, and wondered what had made him so angry.
Tripping over the toy truck, he stubbed his toe, and mutter-fucked his way to the freezer to ice his wound.
He didn't think that it was fair for his boss to ask him to stay late, but he finished the project, mutter-fucking his boss the entire time.
by uglydreamer December 23, 2017
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