a fight between two mom's usually as the result of an argument between their respective sons.
John: "My mom said that your mom looks like a tramp in her sunday dress"

Steve: "Pfft, I'm gonna tell her and then she'll be sorry"

..some time later

John: "I can't believe my mom cried and ran away, how embarassing".

Steve: "I know, it was an awesome mom fight"
by momfighter December 15, 2011
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When a male is punching so I effectively he can’t hit his target and his form is embarrassing.
Look at him swinging at roger his fist comes back behind his head then swings upwards into the air! That is single mom fighting if I ever seen it, he didn’t have nooo Dad around!
by D worx March 8, 2023
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