It's a slang-y version of "What are you doing?", a question that expresses our interest in other person's recent or present actions.
- Hey Beepson, whatcha doin'?
- I'm just fiddlin' around. Nothin' special.
by unfa September 13, 2013
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CHILLIN! FUCK! ALWAYS WORRIED ABOUT WHAT THE FUCK I'M DOING! STAY OFF MY DICK HOE! WE FUCKED ONCE AND NOW YOU TELLING ALL YOUR MESSY ASS FIRESIDE BITCHES YOU LOVE ME AND SHIT! ALL WE DID WAS FUCK THATS IT! SHIT BITCH ION WANT YOU! ME BUFORD FERB AND BALJEET HAD YOUR WIDE PUSSY ASS! GTF OUT MY FACE BITCH BREATH SMELLIN LIKE DOOFENSHMIRTZ BALLS AND SHIT!
Hey Phineas, whatcha doin? CHILLIN! FUCK!
by rasechoman December 16, 2019
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Minnesotan phrase meaning "What are you guys doing?" Used primarily in Minnesota and Michigan. The Canadian accent spoken in Minnesota attributes to this pronunciation of this kickass phrase.
An Example Of "WHATCHA GOOS DOIN DERE EH"

*After Jon sees Ron tie up some dude to a chair and strap a Gasoline bottle onto him*

Jon: "Whatcha guys doin dere EHHHHHHH????????"
Ron: "I dun nah"
Jon: "EHHHHHH????????? What de fack yah TAHKIN 'boot?"

*Ron Shrinks Jon down with a Shrink Ray to 12 inches tall*

Jon: "De boost 'vention to edder cewm 'oot a Da-Troy Meeesh-er-goon, EHHHHH????????? De Shrink 'Ay is GAAAAAAHD"
by Da Wizard Of OZ December 14, 2009
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