Well is used instead of really nowdays because people who speak english correctly are considered to be un-cool by chav idiots, it used to be only used by such idiots but now they've ruined the english language for a lot of other people and decent people have started saying it. The correct way to use the world well is at the start of a sentance.
Stupid dumbass chav way: That's well gay.
Correct way: Well You were kinda mean.
Well, I'm off.
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