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1 definition by Robot-Bacon

Custard Trout is a creature of myth on the internet.
He, She or it, is known to be a troll, but with too large of a range of wesites to be known as real or not.
It is belived he struck xbox live in the year 2008, and Playstation network in 2009.

The myth tells us that he she or it lives in atlantis, and eats nothing but children and custard.
by Robot-Bacon March 03, 2009