Rumbutt 

A butt that's so intoxicating it gets you drunk.

Dude 1: "Did you see the butt on her?"
Dude 2: (*Hiccup!*)
Yeah, she gotta Rumbutt. I feel like I downed a 5th of Bacardi after looking at that ass.

Rumbutt by RebelHunter -because I said so August 1, 2021

Rambutt 

The homosexual act of pretending to be Rambo with your friends or partners In a role playing manner. It is usually done by a large group of queers who will go into the wilderness naked and pretend to be soldiers. Once the fag who is playing Rambo is captured by the gay soldiers, he is then tied to a tree and butt fucked without mercy, as torture. Although you and i both know that the little fagget is really enjoying it.

Fag 1- Hey bro, im kinda horny, wanna get gay
Fag 2- Fuck yes!!! Lets get the guys and go play Rambutt!!!!
Fag 1- I love you
Fag 2- I love you too

Rambutt by MrZiggyWiggy November 20, 2013

rumbustious

Meaning that you are the best boyfriend your girlfriend could ask for. You're everything she wants and needs and you make her happier than anyone else. (:

Oh, babe, you're so rumbustious!

rumbustious by yourmommmmm! November 30, 2010

rumpbutt 

It simply means:
anal sex

Fred: "My doctor says that I have a very dirty prostate."
Sam: "Maybe you should stop doing the rumpbutt then."

rumpbutt by AntwontheUnicorn November 12, 2013