父母呼叫#頑皮 子女嗰陣嘅用語 (term used by parents to address misbehaving children; brat)
名詞Examples
你幾隻衰嘢，唔做晒功課唔准睇電視啊！
nei5 gei2 zek3 seoi1 je5, m4 zou6 saai3 gung1 fo3 m4 zeon2 tai2 din6 si6 aa3!
You brats can't watch TV until you've done your homework.
呼叫情人或朋友嘅親切用語 (affectionate form of address for someone you love or are on friendly terms with)
Examples
你隻衰嘢吖，今日做乜着呢條裙咁性感？
nei5 zek3 seoi1 je5 aa1, gam1 jat6 zou6 mat1 zoek3 ni1 tiu4 kwan4 gam3 sing3 gam2?
Why are you wearing such a sexy skirt today, you naughty thing?
#粗口，咸濕笑話等令人尷尬嘅話題 (obscenities; swear words; degrading remarks)
Examples
有女仔喺度，講少啲衰嘢喇！
jau5 neoi5 zai2 hai2 dou6, gong2 siu2 di1 seoi1 je5 laa3!
Cut down on the swearing, would you? There are girls here.
不堪回首嘅舊事 (bygones)
Examples
唔好提啲衰嘢喇，不如我哋做返朋友啦！
m4 hou2 tai4 di1 seoi1 je5 laa3, bat1 jyu4 ngo5 dei6 zou6 faan1 pang4 jau5 laa1!
Just let bygones be bygones. Let's be friends again.
唔見得光嘅行為，或某人嘅醜惡事跡 (scandalous behavior or someone's history of wrongdoing)
Examples
販毒害人一世，呢啲衰嘢我唔會做嘅。
faan3 duk6 hoi6 jan4 jat1 sai3, ni1 di1 seoi1 je5 ngo5 m4 wui5 zou6 ge3.
Drug dealing will ruin a man's whole life. I won't do such vile things.