The act of being upset, angry, or bitter as result of being made fun of or embarassed. Also a characteristic of a person who feels out of place or is feeling attacked
A term originating from the United States Navy, used to describe disgruntled senior enlisted members. Also used to describe someone who has sea experience from a prior deployment, for whom the romanticized idea of ship life is gone, and replaced with sea salt.
Sailor: You got caught sleeping during general quarters, what happened?
Shitbag: I got yelled at for hours by some salty old senior chief.
the combination of being both sour and bitter
In chemistry, acids are usually described as being sour, whereas bases are described as being bitter; the neutralization of an acid and a base produces a salt, and thus, salty.
The folks: That old man Jenkins was so bitter about our parking in front of his mail box. I've never seen a more sour expression...