Top Definition
A mom that has six children that drives around in an old chevy van that lost both running boards and the grill to a herd of deer.

A mom that has other moms, dads, and children running in fear. No one messes with the mombear.
Suzy: "Your kid is so stupid."

Mombear: "You're about to get your butt handed to you. Don't be talking about my kid like that!"
by mombearpower February 01, 2013
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