nameflame
When a public figure quote tweets you and then you change your Twitter display name to troll them.
Sean Spicer got totally nameflamed after he quote tweeted someone and then they changed their display name to "sean eats turds."
nameflamer
One who insults (flames) another by using their name as a derogatory term in urbandictionary.com. A nameflamer would probably hesitate to insult the flamed person to their face.
Most nameflamers on Urbandictionary.com seem to be teenagers.