cào
to fuck (vulgar)
我肏
wǒ cào
(vulgar) fuck
肏你妈
cào nǐ mā
fuck your mother (vulgar)
肏屄
cào bī
to fuck (a woman) (vulgar)
肏蛋
cào dàn
lousy
肏逼
variant of 肏屄[cao4 bi1]