A person whom changes the serial codes on stolen cars. The serial numbers are generally found engraved onto the cars engine pieces, a ringer changes these engravings so it can not be identified by the authorities.

Any type of contestant in a game who is entered in order to cheat. For example, a professional bowler who plays in an amateur bowling match.

A Counter-Strike term (used in other games, too) that means a person that plays in a scrim or war against as a member of the clan, but is not actually in the clan.

(pseudoploximolarogen) the street name of a highly potent and exotic hallucinogen that is normally ingested with the mouth or some other orifice. Normally found in a rare mushroom harvested from various South American rainforests.

A person who you barely know that you bring/send to a party to make things interesting. Can also be someone you find on the street a few blocks away.

A car that has had it's number plate and serial numbers changed. this could be so that a recently stolen car cannot be identified by coppers

N: At Burger King when you order a side of fries sometimes you accidentally get an onion ring in there. This is called a ringer.

some who says their younger than they really are