Green’s Dictionary of Slang

to speak unrestrainedly.

1912		Day Book (Chicago) 30 Dec. 1/1: Puppet editors, who know difference between law and justice, will puke and prattle.
1922		Joyce Ulysses 503: Say! What was the most revolting piece of obscenity in all your career of crime? Go the whole hog. Puke it out.
1925		G.H. Mullin Adventures of a Scholar Tramp 304: A few of ’em [...] go around theirselves pukin’ the same ol’ capitalist morality as the others.
1931		E. Hemingway letter 12 Apr. in Baker Sel. Letters (1981) 339: You know us word merchants Fitz – always ready to give comforting advice to others while pewking with the other hand about our own troubles.
1934		Z.N. Hurston Jonah’s Gourd Vine (1995) 47: Hope ole big-mouf M’haley don’t come pukin’ her guts ’round heah.
1948		Z.N. Hurston Seraph on the Suwanee (1995) 713: I know that you been had it in you to say all the time. I been looking for you to puke it up long time ago.
1950		Goldin et al. DAUL 165/1: Puke on. To inform upon self and associates under police questioning; to turn underworld traitor.
1960		E. De Roo Big Rumble 138: Come on. We’re nice and tight. Puke up.
1998		J. O’Connor Salesman 319: I felt the anger boil up inside me until I puked it out.

see spew one’s ring under ring n.

to attack, to cause trouble for.

1977

(con. 1960s) D. Goines Black Gangster (1991) 96: I been hiding back here so they wouldn’t puke me off.