Yes, he was arrested.
Florida man offers to trade marijuana for food at McDonald’s drive-thru (Channel 10 Tampa, ABC):
PORT ST. LUCIE, Fla. - A Florida man was arrested Sunday after he tried to trade marijuana for food at a McDonald’s drive-thru, police said.
Port St. Lucie police said Anthony Gallagher, 23, was at the drive-thru of a McDonald’s about 2 a.m., trying to exchange a bag of marijuana for some food.
(more)
Maryjane is not currency, even where it’s legal.