Ashort version of 'hey' 'you' It's coooooooooooooooooooooooooooool

Shorthand of "Hey you."

A greeting to one of your friends that you know extremely well
An example in an online conversation would be:

The portmanteau of Heather Morris and Naya Rivera.

An incredibly informal greeting. Actually an abbreviation of "Hey You!"
Shortened to convenience those of us too damned lazy to put definate spaces between our words...

abbreviation of "hey you" , but most people just think its a way of saying hey , hi , hiya etc,

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Heya is slang for hello or hi mostly used by little kiddis who have no clue how to say hello yet.