Green’s Dictionary of Slang

1. a general phr. of agreement and approval.

1876		‘Dan de Quille’ Big Bonanza (1947) 272: Didn’t I say there’d be a fearful row in here in about a minute? I knew it; and there you go!
1956		O. Duke Sideman 100: ‘There you go,’ he grinned.
1977		L. Heinemann Close Quarters (1987) 225: How ’bout a smoke fer later? Thar ya go!
2000		N. Griffiths Grits 9: Then a turn thuh ram’s skull round thuh othuh way, so it’s lookin out uv the window, across thuh valley. There yuh go, feller.

2. a usu. negative phr. implying that the person is acting in their own particular way (yet) again.

1981

J. Sullivan ‘Big Brother’ Only Fools and Horses [TV script] Oh there you go, there you are.