篤灰
篤灰（粵拼：duk1 fui1），或者寫成篤魁、㧻魁，又叫報串，中文叫告密、告發，係指見到人哋做咗衰嘢之後爆響口嘅行為，嗰啲衰嘢可以係唔道德、違規甚至係犯法。
而篤灰嘅途徑可以細分做對內同對外兩種：對內就話畀組織入面嘅上頭或者其他成員，而對外就可以交畀傳媒或者執法機構去跟。
凡係從事篤灰工作嘅人有個名詞，叫做吹哨人（英文叫做Whistleblower），粵語嘅意思同金手指、綫人差唔多。
喺唔少西方國家，篤灰都受到法律保障，等大眾可以夠膽去揭露唔公義嘅事。
名
「㧻」解做擊、推；「魁」係指首領。成個詞解作指出、攻擊罪魁禍首。
睇埋
攷
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