Chown goo is the way an Asian immigrant would pronounce "sounds good". Chown goo is just an informal way to say Sounds Good!
Asian immigrant 1: Oooooh, we in Noo Yawk! We come on big prane! We go to see vurry tarr buirdings now?

Asian immigrant 2: Chown Goo!

or...
Regular Person 1: Hey, wanna go to the Mets game?
Regular Person 2: Chown Goo! I do like them Mets!
by Poonanas October 10, 2006
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