Top Definition
The definition of FailSec is a small group of Facebook failed Trolls that can't get anything right and also claims to be "Hackers" but aren't. Then the troll's plans are exposed and turned back on them, Then they report, block, and run away. Then everyone else laughs at them
Facebook User 1: Wow those Trolls aren't funny at all?

Facebook User 2: I know. Did you see them run when they knew that I had found out their plan?

Facebook User 1: Yes I saw Ha! What a total FailSec
by Pick your game up February 07, 2014
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