Top Definition
A group of moms, mom to be's and their assorted spawn. They generally travel in groups of 3-5 and anywhere between 5 and 15 offspring.

They can be but aren't necessarily more obnoxious than normal. You can generally hear the ruckus a block away.

They are also often associated with nice asses and tight fitting yoga pants. Not so bad if you've got noise cancelling headphones.
I was trying to work at the local coffee shop but the baby brigade rolled in at 11am and shut me down.
by luck_20 January 23, 2013

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