A pissant, also seen as piss ant or piss-ant, refers to a specific type of ant. The word is also used as a pejorative noun or adjective, indicating insignificance. Pissant is an epithet for an inconsequential, irrelevant, or worthless person, especially one who is irritating or contemptible out of proportion to his or her perceived significance.
— Wikipedia
Every organization has people in positions of power that yield influence, deflect responsibility and hold everyone accountable, but themselves. My friend Judi calls them pissants. The key to dealing with pissants is to brush them aside and not let them bother you. If you let them get to you, you let them win. And why would you allow a little ant to do that?