Top Definition
A Vomosaurus Rex is normally induced by drinking excessive amounts of alcohol.

Vomosaurus's must make them selves resemble a Tyrannasaurus Rex during the act of vomiting by bearing their teeth, bending their arms and sticking out two didgets on each hand.

They should also growl or make noises resembling a T-Rex during vomiting intervals.

Thus becoming a Vomosaurus Rex.
Jonny did the Vomosaurus Rex last night it was so funny.
by HEEBRUmonkey January 01, 2011

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