cut someone's throat

(redirected from cut one's own throat)

cut (someone's) throat

To bring about or be the cause of someone's ruin, downfall, or failure. That discount supermarket is cutting our throats, there's no way we can compete with their prices! Jim set out to cut his brother's throat after finding out that he'd been swindled.
See also: cut, throat
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

cut someone's throat

1. Be the means of someone's ruin, as in Joe would cut her throat if she got in his way. One can also cut one's own throat, that is, spoil one's own chances, as in Alice cut her own throat by her repeated absences. This hyperbolic term alludes to actual murder (or suicide). [c. 1500]
2. cut one another's throats. Engage in destructive competition. For example, With their price war the two stores were cutting each other's throats. This usage gave rise, by 1880, to the idiom cutthroat competition, for vicious competitive practices.
See also: cut, throat
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also:
References in periodicals archive ?
Even a razor - presumably to cut one's own throat or slash out at the next flight attendant who says "have a nice day".