It means the person will not answer that question.
Comments in English is remarques in french. Comments in french is unusual in that comment does not usually have a plural. In a sentence it means 'how ?' Spoken alone it often means 'what ?'
To comment on Myspace means to leave an HTML message, or a personal message that is made public on the persons site for all too see.
It means away I don't wanna talk to you right now.
A word that means harsh comments is ridicule. To ridicule is to make fun of a person in a mean or cruel way.