1. an adulterer.
|Beef, Iron and Wine (1917) 139: He will have the concentrated shady knowledge of all the bloods, pikers, come-ons, roisterers, gamblers, cheaters, beaux, rich men’s sons, and poor men’s daughters.‘Taxi, Mister!’ in|
|USA Confidential 96: All it has to offer is whores. They are undergrade, as the more choosy cheaters skip to Boston.|
|Dict. of Invective (1991) 77: cheater, a rearview mirror as well as one who is unfaithful sexually.|
2. (US) a glass eye.
|Putting ’Em Over 2 Oct. [synd. col.] One-Eyed Connolly used to take out his glass hedadlight when he horned into a barroom scuffle [...] He unhooked his porcelain cheater and handed it to Honest Joe Spivins.|
3. (US) an act of adultery.
|Immortalia 71: Nothing could be sweeter than to have a little cheater / In the morning.|
4. a condom.
|in Limerick (1953) 196: There was a young fellow named Peter / Who was laying his gal with a cheater, / When the rubber thing broke.|
5. anything that makes a task simpler, provides safety, gives one advantage, etc.
|CUSS 95: Cheater Commercially produced subject outline.et al.|
6. see cheator n.