stealth tug

the art of masturbating in public while those around you remain unaware.

"Hey Enoch, what are you up to?"
"Uh...Nothing." (translation: "stealth tugging")

stealth tug by Jamal Jenkins November 11, 2006

Stealthturd 

(noun) - a turd delivered, due to the expectation of its raw heinousness, on the bathroom of another floor in your office building.

Yeah, Ben thinks he's cutting a stealthturd on 3rd floor every week. What he doesn't know is that the receptionist on the other side of the wall can hear him grunting.

Stealthturd by Frustrated_Monolingual September 11, 2009

stealthturbate 

The act of fapping as quickly and silently as possible to avoid detection.

He had to go and his family was moving about the house so he had no choice but to stealthturbate.

stealthturbate by Bananajameson September 4, 2015