The words "ton doucer" are formal and they mean "your mildness."
ton
"ton pays" is "your country" in French.
I think you ,eam 'What does C'est quoi ton mean in English?', as the sentence is French . The answer is 'What's (is) that'.
Prends ton livre means "take your book" in French.
C'est quoi ton pays means "what's your country?" in French.
Dans ton pays means "in your country" in French.
(familiar) "Your birthday" in french. If it is not familiar, it becomes "Votre Anniversaire".
Aimes-tu ton nom ? means Do you like your name?
ton chien très mignon is 'your very cute dog' in French.
ton = your
your (boy)friend is ugly
The word 'ton' may be a French noun that means tone. Or it may be a French possessive that means your. The verb 'est' is in the third person singular, and means [he/she/it] is.