Top Definition
1. A Food, In which you eat, That will make you have a bowel movement (Take a shit) in a matter of minutes after you eat it.
2. Something going completely wrong very quickly (Going to Shit)
3. Taking a very quick bowel movement (Shit)
1. "OMG! I think I just ate a Grease Bullet from Taco Bell!"

2. "All our Systems are down! Its Like its riding a Grease Bullet"

3. "Hold on a sec. I have to fire off a Grease Bullet Real Quick"
by Jim Reed March 30, 2006

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