Green’s Dictionary of Slang

dagged adj.

drunk.

1678		J. Ray Proverbs (2nd edn) 87: Proverbiall Periphrases of one drunk. He’s disguised [...] He is dag’d.
1737		B. Franklin ‘Drinkers Dictionary’ in Pennsylvania Gazette 6 Jan. in AS XII:2 90: They come to be well understood to signify plainly that A MAN IS DRUNK. [...] He’s Dagg’d.