Momnipotent

Adj.
When your mom acts like she knows everything

mom: "dont think i dont know what u and your friends do"
me: "you dont know me, quit acting so Momnipotent"

by brobi-wan-kenobi October 22, 2010

momnipotence

an awareness of the fact that sometimes your mom knows more than she lets on.

"How did your mom know about the party you had while she was away? We cleaned up the house!" "I don't know - must be momnipotence"

by 3 card Monty June 04, 2009