I use an upside-down smiley face to mean that something is not what it is. Especially if something is opposite of what is being said. Get it, upside down - oppo

I use an upside-down smiley face to mean that something is not what it is. Especially if something is opposite of what is being said. Get it, upside down - opposite of normal smiley... And the fact that it is smiling smiley softens the tone as opposed to being aggressive. How on earth does somebody manage to see passive aggressiveness in it...