pissant /ˈpɪsænt/noun 4adjective 1forms 3 noun4 •(slang, offensive) An insignificant person.It is the beauty of well designed fascism that it gives every piss-ant an ant hill to piss from. — 1993 •(slang, offensive) A person who adheres strictly to a rule or policy despite current circumstances.Their manager is a real pissant about break times. •(slang, offensive) A person seemingly incapable of focusing on anything but the trivial, especially in the sense of trivial or irrelevant criticism. •An ant. adjective1 •(vulgar) Insignificant or unimportant.This is our chance to make a name for ourselves; to show that we're not just some piss-ant white-bread mountain town. — 1997 formspissants · more pissant · most pissant