One who flies around for a certain British airline that has a bad attitude problem as standard.
"Those crew over there are such wankers, they must be speedbirds."

by a.net September 26, 2006
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The act of joining the mile high club onboard a British Airways flight
A: "How was your flight to London?"
B: "Awesome. I got a Speedbird 5280!"
by An Actual Airplane December 1, 2020
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