Green’s Dictionary of Slang

1. excrement, both human and animal.

1886		in Transactions Amer. Philosophical Association XVII.37: Hockie is used in East Tennessee among little children, which may be connected with the original word ‘cacky,’ as also the exclamation of disgust used by an older person to a child that has befouled itself.
1902		DN II 236: Hawky , or hockey . . . Child’s word for go to stool.
1923		DN V 210: Hockey. . . Dung... To evacuate the bowels, applicable chiefly to that action on the part of a child.
1953		Randolph & Wilson Down in the Holler 118: The word hockey means nothing but dung in the hill country.
1970		A. Young Snakes (1971) 28: I’ll smack the chicken hockey outta you.
1989		H. Rawson Dict. of Invective (1991) 194: hockey (hocky) [...] excrement.
1992		Randolph & Legman Ozark Folksongs and Folklore I 402: Hockey, excrement.

2. (US) in fig. use, nonsense, lies.

1931		G.S. Schuyler Black No More (1971) 81: Oh, that’s a lotta hockey.
1947		C. Willingham End as Man 80: ‘Don’t you try and hand me any of that hocky about being a white man!’ [...] after a while the nigger agreed he was a nigger.
1953		J. Thompson Savage Night (1991) 70: He was a writer, only [...] he called himself a hocky peddler.
1961		(con. 1945) G. Forbes Goodbye to Some (1963) 118: That is one hundred per cent pure hocky.
1966		‘Tom Pendleton’ Iron Orchard (1967) 157: ‘I don’t ’preciate you actin’ like I’m just shooting’ a bunch of hock [...] see?
1989		H. Rawson Dict. of Invective (1991) 194: hockey (hocky). [...] nonsense.

3. semen.

1989

H. Rawson Dict. of Invective (1991) 194: hockey (hocky). [...] semen.