le sign
It means "Too bad he's gay, you deliberately obtuse dunderfuck."
TT: What does le sign actually mean in this context?
TG: oh come on
TT: Come on what?
TG: LE SIGN IS UNIVERSALLY UNDERSTOOT TO MEAN TOO BAD HES GAY YOU DELIBERABLY OBTUSE DUNDERFUCK
TG: oh come on
TT: Come on what?
TG: LE SIGN IS UNIVERSALLY UNDERSTOOT TO MEAN TOO BAD HES GAY YOU DELIBERABLY OBTUSE DUNDERFUCK