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1.
1.a final statement of terms made by one party to another

2.a statement, especially in diplomatic negotiations, that expresses or implies the threat of serious penalties if the terms are not accepted
goerge bush's famous ultimatum to the american people "you're either with us, or you're a terrorist"
by againststatusquo June 18, 2006
 
2.
Ultimatum is a game played when a person is given a choice of multiple scenarios he/she would rather have happen, usually consisting of one painful option, one option involving a homosexual act, and one involving harm to a family member. The game is initiated by shouting "ULTIMATUM!!!" followed by describing the three scenarios from which the subject has to choose. Make sure that the person chosen to receive this "ultimatum" to will take it very seriously and will be highly offended by being forced to choose as this will add comedic affect to the selection. By following the traditional rules of giving a painful scenario, a gay one, and one involving harm to a family member, you are setting up the subject to choose the gay option. When he/she does so, it is appropriate to shout at them and say " YOU ALWAYS PICK THE GAY ONES!". This will lead to a very depressed reaction from the victim of your ultimatum, providing entertainment to the rest of the sadistic group that beats up on this poor kid.
Bill: "Hey Tony, ULTIMATUM!!!!, would you rather smash your testicles with a jackhammer, have anal with your mailman, or kill your brother"

Tony: "O Cmon guys this is gay im not answerin this"

Bill: "Answer it or you're doin both!"

Tony: "Fine, the second one"

Bill: "YOU ALWAYS PICK THE GAY ONES!!!"
by tre smalls January 21, 2010
 
3.
Ultimatum is a game played when a person is given a choice of multiple situations he/she would rather have happen, usually consisting of one painful option, one option involving a homosexual act, and one involving harm to a family member. When the subject answers by selecting the gay option, it is appropriate to shout at them and say " YOU ALWAYS PICK THE GAY ONES!".
"Ultimatum ______, would you rather smash your testicles with a jackhammer or kill_____."

" The second one."

"_______!!!, YOU ALWAYS PICK THE GAY ONES!"
by ultimatumguru January 20, 2010
 
4.
(ul-te-me-tum) This word, in most cases, means "very ultimate" when using this pronuciation. The only difference between this and ultimatum other than the fact that they have different definitions is that the "a" in this version is short instead of long. This definition is commonly flexed on ROBLOX by SML879 when referencing his current project, Ultimatum Saga.
Ultimatum Saga is something you don't wanna miss.
by friend of sml879 June 25, 2010
 
5.
A very weird where you shout (though it can be omitted) ULTIMATUM!!! and explain 2-4 scenarios, all have to be humiliating and/or violent.
Jake: Yo, man, i got this cool game! it's called Ultimatum! IT'S AWESOME!

Dan: Hey dude, Explain the rules!

Jake: no. Let's play! Didds, you start!

Diddy: K, Jake, will you: 1: take a long piss with the door open, 2: take the oath of ignorance, 3: go nuts for the week, and 4: smash sum priceless thing"

Jake: Woah, that's a tough one, choice... 1

Diddy: then you have to take the next piss with the door open

Jake: WHAT!?! People will see my ding dong!

Brenda: You Picked your fate! and you will have to do it once.

Diddy: And i forgot, it has to happen at a party, when LOTS of people are around
by your best idiot April 05, 2010
 
6.
A game in which you choose which mother you most wanna 'do'
Lets play Ultimatum!
Okay
I wanna do Tiffany's mother!
by LYL May 19, 2006