when a bomb dosent go off when u expect it to, u go up to the bomb and it explodes next 2 u, killling u and then being called fail ur self although no 1 figures out that it is the bombs fault
person1: av u heard bout this lad that got killed by a bomb
person2: ye wot about it
person1: he went right next 2 it cos it didn't blow up when he wanted
person2: wot a retard
person1: it was the bombs fault aswell, it should av gone off
person2: guess so fail bomb
by DJ SPYKERZ(SCOUSED OUT) July 16, 2009
Top Definition
A device, machine, or other construct that will inevitably fail, given enough time, and that will be devastating in the amount of fail it causes when it does.
This 1 TB SSD is worth by far more than the rest of my entire computer, but it's a ticking failbomb.
by Ardvaark March 10, 2014
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.