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1 definition by pseudominate

A roommate who has the qualities of most mothers. A mommate will nag, belittle, and ultimately make one feel guilty as apposed to arguing.
Example 1

Person one: "Is the mommate home?"

Person Two: "No, we can eat in the living room."

Example 2

Person 1: "I see you finally did the dishes."

Person 2: "No the mommate did them last night but I heard about it five times this morning."
by pseudominate February 23, 2010