Top definition
When you start typing a reply, then change your mind halfway through and delete it.

Started on an internet forum by a member called withnail. He asked if anyone had ever started typing a reply then given up halfway through.

The answer was yes.

And such the term "withnailed" was coined and has spread since.
Troll on a forum, starts a game console war.

You've typed up reply and are just about to hit the submit button, then you think "fcuk it" and delete and simply replying with "Withnailed".
by hooliganz March 09, 2010
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