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

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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

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Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt