Top definition
Anyone, from a country south of the Gulf of Mexico, that came to America and has deviated from the American Way.

For example: Not liking American foods(hotdogs, hamburgers, etc.), shows, ideas, and basically anything you(assuming reader is American) find deviant.

Always used in a derogatory manner.
American 1: Can you believe Ukalulo, that kid from Trinidad, doesn't like hot dogs?! How un-American!

American 2: Damn gulfhopper needs to go back to the bush!
by Anonymous A. April 24, 2006
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