lie through teeth

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Related to lie through teeth: lie in wait

lie through one's teeth

Fig. to lie boldly. I knew she was lying through her teeth, but I didn't want to say so just then. If John denies it he's lying through his teeth, because I saw him do it.
See also: lie, teeth, through

lie through (one's) teeth

To lie outrageously or brazenly.
See also: lie, teeth, through