Posted by R. Berg on December 10, 2002
In Reply to: "You go girl" origin posted by Word Camel on December 10, 2002
: I know this is fairly recent and American but I think it must have emerged while I was in the UK. Is it connected with a televison show? Any ideas?
It goes back to at least 1985. I found a site that mentions a Tennessee walking horse by that name (as the dam of another horse).