a nail in the coffin


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Encyclopedia.

a nail in the coffin

an action or event regarded as likely to have a detrimental or destructive effect on a situation, enterprise, or person.
1981 R. Lancaster Plant Hunting in Nepal A major nail in the coffin of the plant hunter, so some people believe, is the growing importance placed on plant conservation in the wild.
See also: coffin, nail