An unreasonable fit of anger. A hissy fit.

3 ounces of beer served as a chaser for another drink, mostly whskey or bloody marys

a person that is being really bitchy

The act of sneezing so hard you shit yourself

When a sneeze forces you to evacuate your bowels.

n. Informal,(snitz) a person who is really irritating, from the informal snit, a state of agitation or irritation.
Origin unknown.

verb: To snits someone, for example, lapes, is to scream, talk, and sing to people whilst hanging out of the window of your car as you drive by them. It often topped off with the car horn being pressed at the same time.