Top Definition
Rivernator: N, (Riv-err-nate-or) - A piece of human feces so large it cannot be disposed of using conventional indoor plumbing and must be eliminated in a river.
The rivernator I just took smells like New York.

Nothing like a good rivernator in the morning.

I took a rivernator in A-rods mouth.

by JeterJeterPumpkinEater May 04, 2006

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