piss-ant

pissant

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!
Farlex Dictionary of Idioms.

piss-ant

verb
See pissant
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • lightweight
  • not much to boast about
  • nothing to boast about
  • not anything to boast about
  • bulletproof
  • appropriate for
  • a little
  • no-count
  • in-between
  • pearl-clutching
References in periodicals archive
Twice married to the same Mexican woman, he speaks fondly of their happy years together even as he bemoans a final divorce settlement "that only left me with the piss-ants and the tumbleweeds." (Still, as a reunion sequence indicates, he remains on good terms with the ex-wife and her children by earlier marriage.)
Cowboy Del Amor