Green’s Dictionary of Slang

honked (off) adj.

[honk off v.]

(US campus) angry.

[US]J. Davis College Vocab. 8: Honked off — Angry.
[US]R. Barrett Lovomaniacs (1973) 128: I was honked at her because I was afraid her being there was going to chill a thing I had going with a babe.
[US]T. Lorenz Guys Like Us 54: Let me say, gentlemen, that I am honked.
L. McCaffery After Yesterday’s Crash 233: Nature was kind of honked off over this.
M. Redmond Night The Wheels Fell Off 57: I really wish cats would find another way to let you know they are honked off.