It means , What do you , What are you ,

What did you ,have you ....etc
You can use any other subject not only ya such as( I , she or he)
Mom: Whataya doing son?
Son: Im sharing my twentieth word ( Urban dictionary)
Mom : Really , ya sure it gon be published.
Son: Whataya think mom ???
Mom: I think so . Its gonna be published
Son: l hope so . I'm so optimistic cuz I put that speech In this dialogue
Mom : Goddamned , Whataya say ?? You crazy.
Son : be hopefull mom......;))
by kage maro 2008 April 15, 2014
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It means what (do you,are you,have or did you....etc)
You can use any other subjects such as:
(I,she or he...etc)
Whataya want?

Nothing, just gimme a hand to fix that car engine
by Kage Maro 2008 March 09, 2015
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It means What (are you, do you , have you..etc)
You can also use any other subjects not only ya such as (he,she,I)
Whataya doing?
Doing mah daily pushups workout
by Kage Maro 2008 March 09, 2015
Get a Whataya mug for your friend Bob.