Top Definition
When you eat McDonald's you know it's only a matter of time before you have to use the bathroom or you will fill your pants. After eating McDonald's be careful not to fart or the Mc Time Bomb will unleash it's fury in you undies.
I just had McDonald's and my stomach really hurts. I think the McTime Bomb is about to explode if I don't get to a bathroom right now.
by whymeandnotyou2 October 17, 2010

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