Who cares if he uses slang or colloquialisms? The rest of us whose primary language is English understand him quite well. You think English is the only language like that? You should get out more. Hell, even Chinese uses different words for the some of the same things depending on the region.
THAT'S FUNNY AND GOOD ENGLISH. YOU SHOULD TEACH YOUR COLLEAGUE THERE, THE NFLFAGGOT, ON THE PROPER USE OF THE ENGLISH LANGUAGE.
Simply put, American English is different than British and Canadian English.