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出典:Wiktionary
出典:『Wiktionary』 (2010/09/07 03:42 UTC 版)
Probably an allusion to a police officer blowing his or her whistle on observing a violation of the law.
出典:『Wiktionary』 (2026/04/11 02:05 UTC 版)
From whistle + blower, referring to a police officer blowing their whistle on observing a violation of the law.
whistle-blower (plural whistle-blowers)
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the informant
a hermit
a recluse
a solitary
the proposer
the truster
a pirate
a perjurer
the consignee