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The act of dropping the tray-table down on an airplane in order to receive genital pleasure from your seat buddy.
On that 19 hour flight down to South Africa, we be droppin' tray.

-Megan: "Honey, what are those two people doing in row 10?"
-Marcel: "Oh baby, they just be droppin' tray. Don't mind them."
by White Boomslang January 22, 2014
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