Green’s Dictionary of Slang

spear v.

1. (Aus.) to dismiss from a job.

[US]Ade Forty Modern Fables 23: If any one had to be Speared, they preferred that it should be some Dead Card who wore Congress Gaiters and Throat Warmers.
[Aus]‘Banjo’ Paterson Shearer’s Colt 27: Didn’t he spear [dismiss] you for cutting a plateful of meat off one of them stud rams?
[Aus]Baker Aus. Lang. 63: To [...] spear a man, to fire him.

2. (Aus.) to throw, usu. to throw out of a pub, dancehall etc.

[Aus]Bulletin (Sydney) 26 Apr. 46: The fucking hack-ups fell out of the roof and the whole fucking place got into the act. [...] I got speared through the front door. Fuck. It was wild.
[Aus]R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 31: Les was going to belt him but decided against it and just speared him into the crowd.

3. (US, also toss the spear) to beg, to obtain through begging.

[US]Lincoln (NE) Daily News 2 Aug. 3-A: By de time he makes de street an’ starts f’r home he’s so shy o’ gum an’ cigaret change dat w’en a macer [...] tosses him de spear he’s bellerin’ murder inside o’ him because he’s been so soft on de perduce wit’ his fr’en’s.
[US] ‘Gila Monster Route’ in N. Anderson Hobo 195: They had mooched the stem and threw their feet, / And speared four bits on which to eat.
[US]C. Samolar ‘Argot of the Vagabond’ in AS II:9 390: To make the grade or connect is to get the amount of money one is after. Spear is another word for connecting.
[US] ‘Jargon of the Und.’ in DN V 464: spear, To beg.
[US]G. Milburn ‘Gila Monster Route’ in Hobo’s Hornbook 159: They had piped the stem and threw their feet, / And speared four bits for something to eat.
[US]Goldin et al. DAUL 202/1: Spear. To cadge, as drinks in a saloon.
[US]Ragen & Finston World’s Toughest Prison 819: spear – To obtain.

4. (US prison) to arrest.

[US]Irwin Amer. Tramp and Und. Sl. 178: Spear.– [...] to arrest.
[US]San Quentin Bulletin in L.A. Times 6 May 7: SPEAR, to arrest.
[US]Monteleone Criminal Sl. (rev. edn).

5. (US Und.) to pickpocket.

[US] in J. Ciardi Good Words (1987) 218: Spear. [...] To pick a wallet.

6. (Aus. prison, also spear in) to put something or someone in a person’s way.

[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. [Internet] Spear. To put something somebody’s way. As in ‘to spear in some tobacco’.
[Aus]Smith & Noble Neddy (1998) 205: Not one bit, but the cunt will spear one of the younger guys in to load you.

In phrases