Explosive gastric surge. It is the overwhelming urge for a bowel movement caused by gas build up. Often happens after breakfast or a meal, especially when accompanied with coffee.
I have to leave now, I've got EGS.
by -dart- July 16, 2009
2 Words related to E.G.S.
Top Definition
1 sub-species of homo sapien who has lost his testicles, having been castrated by a female who now holds said nuts in a mayonaisse jar in the refridgerator.
2 piece of shit, poor excuse of a man with no nuts or friends; who once had said assets.
Look at that poor E.G.S. I wonder if he misses his balls.
by D'godfather May 05, 2003

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