wife of father's younger brother/wife of one's husband younger brother/auntie, a form of address for a woman who is roughly around one's mother's age
Definitions (粵典–words.hk)
名詞
父親嘅弟婦,亦即係叔父個老婆嘅稱謂 wife of father's younger brother; aunt
嬸嬸
婶婶
sam2 sam2 aunt
名詞
對中年女性嘅稱呼;有啲人會覺得唔尊重 middle-aged women in general
阿嬸,你都係返鄉下耕田算啦!
阿婶,你都系返乡下耕田算啦!
aa3 sam2, nei5 dou1 hai6 faan1 hoeng1 haa5 gaang1 tin4 syun3 laa1! You might as well go tend the fields instead, old hag!