1 definition by jaybrown
When a mother's logic is so skewed its nonsense to everyone but her. Often occurs in cases where the mother refuses to be wrong about something to her kid.
Mother: You need to mow the lawn.
Son: its snowing right now, thats momsense.
Mother: You still need to mow the lawn.
Son: its snowing right now, thats momsense.
Mother: You still need to mow the lawn.
by jaybrown January 16, 2008