I’ve had my mornings when I awoke on this side of the bed.

truculent (truc·u·lent): / TRUHK yuh luhnt /
adjective

(1) cruel; brutally savage; fierce; displaying great aggression
(2) vitriolic; scathing; barbarically harsh
(3) belligerent; defiant; aggressively hostile or self-assertive

[From Latin truculentus meaning “savage, fierce,” from truc- from trux meaning “fierce, wild, savage, pitiless.”]

Usage: I listened with increasing dismay as their speech offered truculent criticisms without a single recommended solution.