Top definition
(n.) A person who, knowingly or unknowingly, repeatedly destroys or "kills" otherwise funny threads on public social networking sites with a single, stupid comment.
Guy 1: "Hey, man, look at that idiot's comment; the fourth one down."

Guy 2: "Ugh. I hate when people kill hilarious threads like that. What a douche."

Guy 1: "I know, right?? That guy's a real Threaddy Krueger."
by Sully67215 February 27, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug