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When you take a shit and its liquid and poors out like, cake batter out of a mixing bowl.
Your mom must be making a cake in the toilet, judgeing by the brown batter.
by Matthew Kibby December 11, 2006
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2
When evidence is presented of one's physical assault on a spouse/significant other, the act of mumbling inane excuses such as memory-loss. Named after Chris Brown's appearance on Larry King.
"I don't know how she/hot hurt, it was all so confusing. I must have ... mumblemumble."

"That's just a bunch of brownbatter. You need help."
by lovekraft September 05, 2009
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