An imaginary alligator who helps boaters navigate unfamiliar or dangerously shallow waters; a reference somtimes used by boaters in Florida, possibly originating from a contraction of "see" and "navigator" (Navigating by looking at the water).
“The Sea Gator kept me from hitting that rock by the sand bar."
by W. R. D. Smith December 17, 2011
1 more definition
A person who doesn't look like they belong somewhere. (Alligators don't belong in the sea, get it?)
"There was a kid with a Hollister sweater in Hot Topic today. He looked like such a Sea Gator."
by burythescenequeen September 08, 2011