English · Slang Attested

upper deck

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Both English Tiếng Việt

Meaning · English

To perform the upper decker prank in the cistern of (a toilet).

Nghĩa · Tiếng Việt

đánh lừa trong bồn cầu

Machine-translated — suggest a fix

Where it’s used: Used American English

Examples

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.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Both English Tiếng Việt

Meaning · English

To place a snus or nicotine pouch under the upper lip.

Nghĩa · Tiếng Việt

đặt túi nicotine dưới môi trên

Machine-translated — suggest a fix

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “upper deck” mean?

To perform the upper decker prank in the cistern of (a toilet).

Is “upper deck” formal or informal?

upper deck is generally slang.

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