粗口 refers to forbidden words, likely related to sex and violence. Most of the terms that you mentioned are not 粗口. But it is good to know where they come from and their meanings. Thank you.
Well done ,good job! Are you originally Cantonese or somewhere? Your mandarin also very well. Most youngsters and adults don't know that. ... but they still can " laughing " during enjoy the movie. Please release more videos clips for us on later days ! It is also a part of Education!!! Scotland UK.