Rumbling 

From the story of Attack on Titan, Rumbling is a means of global genocide by unleashing the millions of Colossal Titans trapped within the Walls of Paradis, used primarily by Karl Fritz as an ultimatum against Marley and later used by Eren Yeager as retribution against the world.

Eren Yeager: Alright bitches, we rumbling right now!

Rumbling by Gogo69 February 23, 2022

The rumbling 

The definition rumbling is usually caused by EREN YEAGAHHH (aka eren yeager) by summoning giant red colossal people that cause the so called “rumbling”

boy: “OMG EARTHQUAKE”
boy2: “no...ITS THE RUMBLING “

The rumbling by eaten January 26, 2022

rumbling fadooka 

A fart with both volume and magnitue enough to render the "farter" unconscious for a few moments.

Bert: Pull my finger.

Ernie: *tug
Bert: **explosive fart noise**
...Bert giggles and falls to the floor in an unconscious heap...
Mary: (running in from another room ) WHAT WAS THAT NOISE... AND WHAT THE FUCK IS THAT SMELL ?!?!
Ernie: (choking and gasping for air) ....Rumbling Fadooka!!

rumbling fadooka by Skippy107 December 25, 2013

mitochondria resembling a penis 

a mitochondria resembling a penis is a regular mitochondria with penis like features such as a bendy shaft and mushroom top-like cristae.

wow my mitochondria really looks like a dick i wonder if it gets hard?!

No man its just a mitochondria resembling a penis it only does dat dank cell respiration shit

mitochondria resembling a penis by wakawakakankeh November 19, 2013

Dicks Vapor Rumbling 

When you rub vicks vapor rub on your dick, and then bang your girlfriend.

So I totally surprised her with a dicks vapor rumbling, had her screaming in pain all night.

Dicks Vapor Rumbling by bonanma March 15, 2012

rumbling clit

Put a cellphone on vibrate put in your pussy and get another phone and start calling your own number over and over again. Enjoy, I know i do.

It is a tinging sensation and it is for sure to get you wet and your probably going to need a new phone if you cum, me and my boy friend were doing the rumbling clit and it felt great!!!

rumbling clit by Ill BONE UR MOM October 17, 2008

Rumbling 

A variation on Motorboating, but using a much deeper sound, thus causing a deep timbre.

I doubt Barry White himself could have given me a more superior Rumbling, Sir........

Rumbling by Sir Betram Sudden-Spaff November 11, 2009