slam piece

noun2

1. •
   (slang, vulgar) A sexual partner to whom one has no particular emotional attachment.

   • Discover gay roommate has just stumbled home from a night with his “slam piece.” — 2008
2. •
   (informal) A journalistic or other treatment which portrays its subject in a highly unfavorable manner.

   • The article, one paper said, was not a "slam piece, another one of those shots of bad national publicity about Buffalo." — 1983