Definitions for "Shill Bidding"
When a user purposely uses an alias, secondary registration, friends, relatives, or other associates to submit false bids to increase the price of an item and protect their interests.
Using multiple eBay accounts (or the accounts of friends or family members) to bid up the price of your own auction. This is a violation of eBay's rules and will result in suspension by eBay if caught. investigates these offenses when they relate to eTopps auctions. Related:
A scam run by a seller when he either bids on his own merchandise himself (if he has multiple user id's) or has associates who have no intention of actually buying his item bid on his merchandise simply to drive up the price.