Top definition
When a parent (preferably a mother) or person makes an accusation, explanation, or theory with no grounds. The accused cannot make any logical reasoning against statement simply because it is mom reasoning.
mom: If I eat more I will get skinny

child (to themself): There she goes again with her mom reasoning
by dimelis_16 May 10, 2007
Get the mug
Get a mom reasoning mug for your bunkmate Rihanna.