silent fart 

when you're listening to music on your headphones and lay one, and you can't hear it. Then, people look at you liek you did something wrong, but you don't know why

today i was on teh subway, and then i silent farted and everyone looked at me.

silent fart by casey simons April 18, 2006

silent killer 

a fart(release of gases from ass) that is unheard but smells mad bad.

oh man, someone let out a silent killer!

silent killer by BuG October 21, 2003

silent majority 

The imaginary friends of people who don't want to recognize they are fringe crackpots.

Of course the Earth is flat, and the silent majority knows it's true!

silent majority by Bill Nada July 26, 2020

Silent D

slang term used in parts of North Carolina to describe someone who is ballin 24/7

(ballin - (adj) - the act of being fly

(random hobo) - "hey can i have some money?"
(Silent D) - " NO YOU GODDAMN HOBO LEAVE ME ALONE, IM SILENT D!!"

Silent D by Evil_Jesus April 2, 2008

Silent Copilot 

When you are having sex in a bed where there happens to be a third, non participating party, who silently observes. This person is often a pedal steel player.

When we shared that hotel room in Fayetteville, Wes ended up as my silent copilot.

Silent Copilot by HorseManHorse March 25, 2011

Silent barf

When you barf a little inside your mouth (and you're forced to swallow it)

Ough, I just silent barfed!

Silent barf by Hellåo July 25, 2011

silent nigga treatment 

SNT: Silent Nigga Treatment. Otherwise, known as the action of a fuck nigga treating you like a dude and not like every other girl cause you don't show your desperation for him.

Wesley is giving me the silent nigga treatment today.

silent nigga treatment by Dirtydreams November 7, 2017