get, n.⁴ — Green’s Dictionary of Slang

get n.⁴

[i.e. what or who the robbers or killers get; sense 1 is 14C–17C SE]

1. (US) the profit, the take, the booty of a robbery.

1942		Berrey & Van den Bark Amer. Thes. of Sl. 470.1: Booty [...] get, goods, grab [DARE].
1960, 1975		Wentworth & Flexner DAS 212: Get [...] Profit; the ‘gate’ [DARE].

2. (Ulster) the target of an assassination.

2009

L. McIlvanney All the Colours 312: They learn who the ‘get’ is and where he lives [...] The weapons are handed over.