The power your mother displays when you stroll into the kitchen after cutting school and being at your homies house all day playing Fortnite. You are confident that you got away with it...
But mom looks you in the eye and says, "long day at school, dear?"
Tween 1: "How did my mom find out that I cheated on my English quiz? I was so careful not to say anything to anyone, and I erased our conversations about it!
Tween 2: I don't know, dude. I didn't say nuthin'! Maybe she is" Momniscient."
by I8ur3.14 March 28, 2020
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–adjective

1. having complete or unlimited knowledge, awareness, or understanding; perceiving all things.
fuck that dude. she'll know. she always does. she mothaphucking momniscient.
by jester_jax July 29, 2010
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