A confrontation between a McDonald's employee and a customer escalated into full-on, all-out brawl. Apparently it all started when the customer tried to get free soda.

The customer, seen in the video below wearing gray shorts and black tank top, had requested a water cup and tried to sneak some soda instead. When confronted, the woman began insulting one of the workers mothers and threw a shake at them.

The person who recorded the fight posted the caption: "So this happened at McDonald’s... the lady asked for a water cup and supervisor shut down the soda machine because she wasn’t letting her get a free soda."

WARNING: NSFW VIDEO

Read more at KSTU.