slammer vs weir

slammer

noun
  • One who, or that which, slams. 

  • One who competes in a poetry slam. 

  • A tequila cocktail that is slammed onto a surface to induce fizzing. 

  • One who takes part in slam-dance. 

  • In the game of Pogs, the heavier piece used to strike the stack of counters. 

  • jail, prison. 

  • A slam-door train. 

weir

noun
  • An adjustable dam placed across a river to regulate the flow of water downstream. 

  • A fence placed across a river to catch fish. 

How often have the words slammer and weir occurred in a corpus of books? (source: Google Ngram Viewer )