Top Definition
A snowboarder that spends every waking minute of his pathetic life in the terrain park doing rail spins. Someone too narrow minded to explore the entire mountain. hence they are railballers usually sportin b ball jersey's n shit. kinda funny because they try to act ghetto, but if they ever drove through the hood in their parents suburban they would probably shit their pants.
' hey mike feels like jibastic park, just railballersaurus rex's everywhere today at keystone."
by Plotbert December 17, 2007
5 Words related to Railballersaurus Rex

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