a way of telling a person that it is a waste of space for him/her to stay alive in this world;
Definitions (粵典–words.hk)
動詞
指一個人冇一方面既才能又要喺該方面顯現，或者自暴其短，丟人現眼；又指一個人自己毫無建樹，對社會亦毫無貢獻。 (lit.) to contribute life; (fig.) to feel one's life worthless; to feel that life is pointless; to make a spectacle (fool) of oneself; to lose face; to be disgraced
條友唱歌又走音又唔啱beat，仲走去報歌唱比賽，獻世咩！
条友唱歌又走音又唔啱beat，仲走去报歌唱比赛，献世咩！
This pretentious singer can't even hit a note, why be a spectacle to attending talent contest
阿仔，你都成廿五歲人啦，又唔揾工又唔讀書，成日就淨係喺屋企獻世！
阿仔，你都成廿五岁人啦，又唔揾工又唔读书，成日就净系喺屋企献世！
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Definitions (Wiktionary)
verb, Cantonese, Gan, Hainanese, Hokkien, Lichuan, Nanning, Pinghua, Xiamen
to make a spectacle or fool of oneself; to lose face