Cantonese swear words beginning with the letter Y

Phrase Meaning Is This Accurate?
Yim (yeem) Castrate (71%)      (29%)
Yiu! Damn! (41%)      (59%)
Yuk si mah Go and eat shit. (100%)      (0%)

Cantonese Swear Words by Letter:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z