upper deck

Noun

 * 1)  The topmost full-length deck of a ship.

Translations

 * Portuguese: convés superior

Verb

 * 1)  To perform the upper decker prank in the cistern of (a toilet).
 * 2) * 2014, Gerry Duggan, ‎Brian Posehn, Deadpool Vol. 4: Deadpool vs S.H.I.E.L.D.
 * HOW DO I KNOW YOU'RE REALLY YOU AND NOT ANOTHER VOICE? YOU UPPER-DECKED THE TOILET BACK IN THE AVENGERS MANSION. I FEEL BAD ABOUT THAT, BUT I WAS MAD AT LOGAN.