faddict
A person who makes up stupid new fads or dumb phrases just to be popular or sound cool.
'I just started the 'glow-in-the-dark sock' trend, and it's the worst.'
'I made up a new phrase, 'I'm not mad, I'm just stressed,' and it's taking over the school.'
'I started the 'talking to your plants' fad, and now everyone does it.'