A trolldar (or 'troll radar') is the feeling one has when they suspect they are being fed false information just to provoke a response (also known as 'trolling').

This acts much like a gaydar, in that it is totally intrinsic, and based on the interpretation of information one is given.
Steve: "Hey Larry, what do you think is the worst name ever?"
Larry: "It's got to be the name 'Steve'. What a stupid name. Anyone called Steve should be either killed, or made to eat their own shit!"
Steve: *suspects Larry is just trying to annoy him* "You're trolling me aren't you?"
Larry: "Yes I am. Good to see your trolldar is working"...
by Brady_12 July 16, 2011
Top Definition
The "sixth-sense" that allows one to know when he is being trolled.
Random Guy 1: "So this guy posted that he had killed the president, and this guy thought he was serious!"
Random Guy 2: "He needs to learn to trolldar
by WUANDEAAGGG November 28, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.