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1. adjective Completely worthless; too small, trivial, or unimportant to care about. Nearly 50 years of loyal service, and the only thing they give me when I retire is this pissant watch. It isn't even a Rolex! Some pissant company is trying to sue us over patent infringement. Don't they know who we are?
2. Someone who is utterly worthless, unimportant, or reprehensible. If you think I'm going to take orders from a pissant like you, you've got another think coming! I can't believe they hired that pissant to coach the team!
1. n. a wretched and worthless person. (Often objectionable.) Look, you silly pissant, beat it!
2. mod. worthless. (Often objectionable.) I don’t want this little pissant piece of pie. Give me a real piece.