Shuttling 

When a man inserts one end of a hamster tunnel into his asshole and the other end into the other male/females asshole. Then letting off a huge fart. Therefore sending his fart to the other person.

Toby: Jake do you wanna shuttle again?
Jake: Oh yeah, shuttle me, baby.
Toby: Good because I've been holding in this huge fart all day just for you ;)
Jake: I love shuttling with you Toby ;)

Shuttling by Allupyourfinger January 27, 2017

Shuttling 

Shuttling is where one man places his butthole up against another mans butthole and takes a poop. that poop is transfered from the first mans butthole to the second mans butthole without ever seeing daylight.

i walked into the bathroom and caught these two guys shuttling

Shuttling by Noel62H April 20, 2011

Shuttling 

Doing triple digits on an interstate or major highway with all four of your windows down.

Me and Nick were shuttling on the Garden State Parkway on the way to the Jersey Shore...then we got pulled over.

Shuttling by mIKE sAERg February 26, 2009

Shitting lava 

Highly acidic diarrhea resulting from spicy food or stomach upset.

GAAAWD, I am shitting lava after the Burrito buffet!

Shitting lava by I, Wreckerrr November 11, 2016

shitting Irish 

When you shit green turds.

I must have the flu I'm shitting Irish.

shitting Irish by jpg3 February 1, 2015

shitting like a goose 

The state of having extreme diarrhea. The art of peeing out of your asshole.

Boss: "Are you coming into work today, Bud?"
Joey: "I'm not going to make it today, Boss. I got ahold of some bad street tacos last night and I'm shitting like a goose this morning."

shitting like a goose by #1SMTX October 3, 2015

binge-shitting 

What naturally happens following binge-eating.

After a particularly intense and protracted eating episode, I passed out during the binge-shitting phase.

binge-shitting by Dr Bunnygirl March 7, 2018