When one is both bitter or angry and belligerent or outwardly sour at the same time. It can be used to refer to either one's personality or actions in a present or past tense.
That girl was quite bitterlligerent and hostile last night.
That man gets very bitterlligerent when he drinks
That man gets very bitterlligerent when he drinks
by FreeRyderInc March 10, 2010