lie through one's teeth

Also, lie in one's teeth. Utter outrageous falsehoods, as in He was lying through his teeth when he said he'd never seen her before; they've known each other for years . This expression presumably alludes to a particular facial grimace one assumes when lying. [c. 1300]

Common Names:

Name	Pronounced	Usage
Hanif	-	Arabic
Agassi	['ægəsi]
Benny	BEN-ee	English
Toma (1)	-	Russian
Kenyatta	[ken'ja:tə]
Terezinha	-	Portuguese (Brazilian)