Green’s Dictionary of Slang

1. (US campus) to get rid of [? the offending item is ‘cut out’ of one’s life].

1989

P. Munro Sl. U.

2. (Aus./US Und.) to stab, to slash with a sharp/bladed weapon.

1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 19: Bladed Knifed.
1989		R.G. Barrett Boys from Binjiwunyawunya 198: He’s bladed other prisoners. He hit a guard over the head with a piece of pipe.
1990		S. Morgan Homeboy 124: He bladed the citizen for not showin respeck.
2001		D. Looser Boobslang [U. Canterbury D.Phil. thesis] 19/2: blade v. to stab: 'x got bladed last night.'.