In a news release, Barrie police say that a man bought a $7 sandwich and then tried to leave a $98,931.87 tip.
The tip did not go through on the man's credit card, police say.
Police were called. They say the 35-year-old Angus, Ont., man was intoxicated and unable to properly care for himself.
The man was not supposed to be consuming alcohol, police say.