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