1. [informal] A person who places fake bids at an auction to drive up the price
   "The auctioneer was accused of using cappers to inflate the bidding"
    
2. [informal] A person who lures others into a swindle or illegal game of chance
   "The capper enticed tourists into the rigged carnival game"
    
3. A person or device that applies caps or lids
   "The factory installed a new automated capper for their bottling line"
    
4. [informal] Someone who provides a conclusion or finale to something
   "He was the perfect capper for our comedy show"

Sounds like: kappa

Derived forms: cappers

Encyclopedia: Capper, James