It means when your birthday comes up like on the day you where bron and you get older all the time.
"Silver birthday" refers to a 25th birthday.
you have a birthday cake
If you mean birthday date My birthday is_____-Mon anniversaire est____
that you both have the same birthday.
A birthday suit is what you were wearing when you were born - you are naked.
It mean that you are saying Happy Birthday to someone earlier that their birthday
It means they want to celebrate it AFTER your actual birthday.
there's nothing such as 'happy related birthday' it's happy belated birthday not happy related birthday
the day you were born