Oversize (emphasis on "a") is clothing that you obviously are great and hangs like a bag on a scarecrow, but you still carry it to be in a trend .
The English word "oversize" consists of "over" (too much) and "size" (size). So it turns out something like "oversample". Overseas invented not in Paris and not in Milan, but in distant Barnaul, when clothes were not enough to size, and you had to buy what was on the flea market. A special love for the overuse of rappers and hip-hop maniacs permeated the attack. Do not trust? Well, look at their pants, ah!
Overseas is in the list: Slang