Some people take the initiative to announce their identity or status to the others, to make himself respected and take benefit
Definitions (粵典–words.hk)
動詞、俚語
話俾對方聽自己嘅身份或者附屬嘅組織，通常係比較重要同突出嘅，去獲得某種利益 to reveal one's prominent identity or affiliation with an organisation in order to gain interests
人撻朵你撻朵，依家無人識你喎，你邊位呀？
人挞朵你挞朵，依家无人识你㖞，你边位呀？
jan4 daat3 do2 nei5 daat3 do2, ji1 gaa1 mou5 jan4 sik1 nei5 wo3, nei5 bin1 wai2 aa3? Other important people reveal their name and title, but it doesn't mean you can. You are nobody here. Who do you think you are?
近義詞
晒字頭、響朵
Examples (粵典–words.hk)
Cantonese
挞朵
撻朵
daat3 do2
to reveal one's name or one's connection to an authority or a triad