Green’s Dictionary of Slang

agitated and angry.

1967		(con. 1951) McAleer & Dickson Unit Pride (1981) 22: Miller was tear-ass.
1971		T. Thackrey Thief 143: Man! They must be tear-ass!
2000		P. Cornwell Last Precinct 248: One more peep and I’m gonna get tear-ass. You never seen me tear-ass and you don’t want to.
2006		M. Karp Rabbit Factory (2007) 241: He goes into a tear-ass rage.