Fatboy Swap

When you and another person order two different sandwiches and trade halves, giving both eaters the best of both worlds or simple variety. This can be done with other meals/food but a true Fatboy Swap is done with sandwiches.

Invented circa 2011 in Chelsea Market by Michael Hoey

Damn Big Ciel, I can't decide between the prosciutto or the sausage with broccoli rabe...Fatboy Swap?

by Tha Ho-Man January 17, 2019

The Quick Swap

When you’re having sex and are in doggy style blindfold and switch out with your friend. After about 5 minutes he will take the blindfold off and you’ll be standing in the window letting your girlfriend have a crisis.

“What’s wrong with your girlfriend?”

“I did the quick swap on her”.

by Ballsack Wrangler November 20, 2019

yankee swap

the ultimate game-changer - calling Yankee Swap at any point during any game (chess, Settlers of Catan, etc.) allows for an abandonment of the previous rules and the reign of a new order.

Player 1: "Hey man, you can't just trade in one of your pawns for a queen and a rook!"
Player 2: "Whatever man, it's Yankee Swap."

by American Periscope April 25, 2013

Phantom Swap

A maneuver which a male engaged in vaginal intercourse attempts to stealthily swap into anal intercourse with minimal resistence from the female.

So I was totally having sex with this chick and decided to bring out the phantom swap. It didn't go over well.

by Teh Beej July 9, 2006

Colorado Swap

Two men ejaculate into each other's mouths and enthusiasticly swap cum orally.

At an epic house party in Breckenridge last weekend, I saw two bankers resolve their fiscal differences with an old fashioned Colorado Swap.

by AdultContemporaryJizz June 23, 2016

Monocle Swap

The phrase "Monocle Swap" refers to a sexual act being performed by two distinguished and exceedingly classy/cultured individuals, of any gender combination. (male/female, female/female, and male/male monocle swaps are all possible.)

The act can be described as follows: Mid-coitus (in any variation/position) the two involved parties simply exchange eyewear (in this case, a monocle or two) in a gesture of extreme intimacy and respect for each other. This can be considered as the sexual equivalent of a hat-tip on excellent sexual performance and prowess.

It has even been documented that the act of monocle-swapping itself has lead to intense orgasms and the formulation of "Great American Novels" and speeches of note.

"I say! Last night's monocle swap with George was the finest I do believe I've ever had! Simply smashing"

"Really, old bean? Well, then. I shall bequeath my monocle onto Cynthia's face tonight... along with a little something extra!"

*mutual laughter and pipe smoking ensues*

by Funcommunist December 13, 2012

sperm swap

This is typically done with three or more people. When a guy cums after having sex, he will typically ejaculate into one person's mouth. After he is done, the person with all the semen will give some to the other person and typically make out with each other so the semen is exchanged.

Male: I'm gonna cum!
Female 1: Cum in my mouth for me! Mmmm, it tastes so good!
Female 2: I want some too! Why not do a sperm swap?

* Exchanges semen *

Female 2: You're right, it does taste good!

by SLAY3R 30 September 7, 2016