Brown, left, allegedly pulled out a woman's hair, choked that woman's mother and bit a cop's finger at the Fort Pierce store.
But don't worry, she gave her 8-month-old to a store employee for safe keeping before the alleged assault, TCPalm reports.
"Brown almost dropped her baby and started walking toward [another customer] while saying, 'I'm gonna kill you!''' according to the report.
Brown, 24, reportedly weighs 265 pounds and put up a fight against a Fort Pierce police officer trying to stop her.
She was charged with battery, resisting arrest with violence and battery on a law enforcement officer.