Green’s Dictionary of Slang

1. to drag, to take.

1892		Sunderland Dly Echo 2 June 3/5: A ‘Barbary Coast’ Row. At the Borough Police Court [...] a man named John Connor was charged with assaulting Margaret Creighton in Hodgson’s-buildings [...] After striking her he ‘hoyed’ witness from top to the bottom of the stairs.
1921		(con. WWI) E. Lynch Somme Mud 4: We hoy him up a bit, but [...] his awkward great feet fly up.
1974		D. Ireland Burn 82: They’ll hoy you outa there if they find you.
1984		Partridge DSUE (8th edn) 579: since ca. 1920.

2. to get rid of, to discard.

1984		Partridge DSUE (8th edn) 579: since ca. 1930.
1986		F. Taylor Auf Wiedersehen Pet Two 214: Here you might be surrounded by people like that couple who hoyed us out their pool today.

3. to throw.

1934		Townsville Daily Bulletin (Qld) 1 Mar. 10/4: Mulligan does his block and hoys his stetson into the mob.
1968		D. O’Grady A Bottle of Sandwiches 56: He picked up the nearest bottle [...] and hoyed it at the bloke’s head.