Or Potentially "Holy Moley"
Guy: Yeah... I don't know what key they're singing it in.
Girl: Well if she's singing it in the Betty Buckley key... that's like in the key of whoa.
--Queens-bound N Train
Overheard by: cwazy nooh yawkerr
via Overheard in New York, Jun 7, 2008
(Sorry, I wouldn't ordinarily quote from "Overheard," but "the key of whoa" is just too good not to pass along.)