When recounting a "tall story", the response "Tell it to the Marines" implies, "Go and tell your sea-story to some gullible landlubber, because no sailor will believe you".

Dates back to the before the Napoleonic wars, in the Royal Navy.
Pilot #1: "I lost the starboard engine on the base leg, but I still managed to bring it it for a perfect three-point greaser"

Pilot #2: "Tell it to the Marines"
by eighthofseven August 31, 2010
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