Green’s Dictionary of Slang

slice v.

also slice on, slice up

to attack, usu. with a knife.

[US]Goldin et al. DAUL 197/2: Slice, v. (P) To wound with knife, razor, or any sharp-edged weapon.
[US](con. 1948) G. Mandel Flee the Angry Strangers 432: Nex he grabs Angie’n tells him how he got to slice Diane up.
[US]N. von Hoffman We are the People Our Parents Warned Us Against 89: There’s a boy here who’s all sliced up. The Angels or the spades got ’im.
[US]‘Red’ Rudensky Gonif 79: Us mechanics are the class in the outfits. We don’t need nobody, and we don’t have to slice nobody.
[Can]R. Caron Go-Boy! 269: He was also quick to anger, as one of the belly robbers in the joint kitchen found out when [...] Jacques sliced him up a bit.
[UK]J. Mowry Way Past Cool 131: You losin it, man . . . lettin some little sucker slice you like that.
[UK]J. Cameron It Was An Accident 14: The don’t put the drink out when they plan on slicing you.
[US]J. Lethem Fortress of Solitude 426: Six months of dodging homies slicing on each other in the commissary line.

In compounds

slice and dice (n.) [the fate of the victims]

(US) a horror film; also attrib.

Atlanta Constitution (GA) 8 June 17/2: Jamie lee’s trying to get out of the slice-and-dice business. No more ‘The Frogs’ or ‘Terror Trains’.
[US]Casper Star-Trib. (WY) 20 Feb. 27/1: I’ve complained [...] in the past about the so-called ‘slice and dice’ films.
Damon Smith, Press Association at 🌐 There’s gore aplenty and a couple of nice shocks (the sheriff’s interrogation of Morgan at gunpoint is horrifying) but for the most part, it’s slice and dice by numbers.
[UK]Guardian 26 Sept. 🌐 Roth is of the true faith, gore-wise, a maniac for George Romero’s slice-and-dice make-up and effects man Tom Savini.
[US]Taos News (NM) 3 Sept. ZO45/4: The Grim Reaper slices, dices, smashes and otherwise offs each of the people [...] We are treated to some of the worst dialogue ever written.
slice job (n.) [job n.2 (2)]

(US) an attack with an edged or stabbing weapon.

[US]W. Brown Teen-Age Mafia 38: Let somebody [...] start yakking at him, and he’d cut loose with a slice job.

In phrases

slice on/up (v.)

see main sense above.