Green’s Dictionary of Slang

(US) to hand over, usu. money.

1906		T.A. Dorgan in Zwilling TAD Lex. (1993) 51: Come on kick in.
1912		Ade Knocking the Neighbors 5: Neither of them would Kick In for any Pastime more worldly than a 10-cent M.P. Show.
1924		G. Henderson Keys to Crookdom 265: As he was six feet, two inches tall and weighed 200 pounds he had no difficulty in making the men ‘kick in’.
1932		V.F. Nelson Prison Days and Nights 22: Didn’t you ever kick in with a few bucks to save yourself from going to the can?
1944		D. Runyon Runyon à la Carte 30: I expect him to kick with some of the dough, and he says okay.
1952		Lait & Mortimer USA Confidential 69: You can be sure that no shop bookmaker who kicks in will be accused.
1960		‘Nino Culotta’ Cop This Lot 18: Kick in, matey.
1970		J. Bouton Ball Four 193: ‘[I]sn’t there some way we can get these kids to kick in their lunch money or something to us?’.
1981		G.V. Higgins Rat on Fire (1982) 64: I kick in my share.
1997		Simon & Burns Corner (1998) 262: The take is twenty-three dollars, and Ronnie is able to kick in another three.
2000		W.T. Vollmann Royal Family 593: Maybe I can [...] kick in five dollars.
2008		R. Price Lush Life 362: The family of the victim [...] voluntarily kick into the kitty to get some fresh publicity .