The flair can't hide the pain inside.
After a third report of a toddler at a national chain restaurant getting a sippy cupful of alcohol, a few anonymous waiters are coming forward to explain what's going on.
Basically the living hellscape of the corporate food service industry is driving all the desperate employees to get secretly drunk on the job, and sometimes they get the sippy cups mixed up.
This suddenly makes a lot of sense. Tip your waitress.
How Booze Ends Up In Sippy Cups [consumerist]