Manhattan Project 

The Manhattan Project was the code name for the United States-led nuclear research and development effort to produce the world's first atomic bomb during WWII.

The Manhattan Project is one of the most transformative events of the 20th century as it ushered in the beginning of the nuclear age.

Manhattan Project by pacificshell50 August 22, 2022

Manhattan Project 

Slang: a project which, over time, involves an increasingly large number of people and expense.
Origin: The US project during the second world war to devolop the Atom Bomb.

As they kept wanting more functions, more testing and documentation, what should have been a simple job turned into the Manhattan Project.

Manhattan Project by John Sheffield November 7, 2003

Manhattan Project 

Moving to Manhattan with the goal of having sex with as many woman as one can within a years time.

Next month I moving to New York to start the Manhattan Project.

Manhattan Project by Anonymous November 7, 2003

Manhattan Project 

A U.S. Agency that was responsible for making Atomic Bombs during World War Two.

J. Robert Oppenheimer and Albert Einstein were working for the Manhattan Project.

Manhattan Project by Chairman November 6, 2003

Manhattan Project 

When having anal sex with a girl you cum inside her, withdrawl, then slap her ass/push on her midsection in the front to induce her to fart your cum out. Works best with doggy style or during snowmobile.

Dude, Jovann Manhattan Projected on me last night and it ended up on my own cum ended up on my chest.

Manhattan Project by slaveness28 April 15, 2009

Manhattan Project 

Um, it happened early WW2-the end of it. The project that created the nuclear bomb.

.... do i really need one?

Manhattan Project by DIM November 7, 2003

The Manhattan Project 

An allied military campaign that was enacted in Manhattan, New York during the 1940's to combat the japanese policy of "Rolling Thunder" which was quickly leveling the city with firebombs.

Those Japanese hella fucked us in the butt with all those bombs during the Manhattan Project!

The Manhattan Project by opco10 January 29, 2012