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1. Something no one in their right mind will do without being told they have to.

2. A very popular word included to suck the fun out of any event.

3. Retarded and or ghey
1. These classes on safety are mandatory

2. Yay our company is having mandatory fun day.

3. I know you wont like staying late to sit in the office and do nothing 3 hours late for no reason at all but its mandatory.
mandatory by rooster210 May 29, 2013
A brand of heroin once extremely popular on the lower east side of manhattan.
Also, by way of extension, anything that is particularly good or strong.
"What's good today? Mandatory"

"Damn that skunk was MANDATORY bro"
"Yeah"
mandatory by Jonathon_Holmes August 4, 2005
What non-revolutionary New England colonists thought their loyalty to the British Crown was; they believed that they had no choice.
John Hancock boldly signed the Declaration of Independence in large letters, but many of the other signers used very small print because they knew that any non-sympathetic Englishmen who subsequently read said document would have considered the signers' loyalty to be mandaTory.
mandaTory by QuacksO August 3, 2019

.MANDATORY. 

It is a better word then can you tell me where the LAVATORY is?
So I will tell you , as climb MT. ST. HELENS preferably when it is erupting spewing lava and that is where the LAVATORY is ASSHOLE DICK the .MANDATORY. is down the hall to the RIGHT and for environmental reasons given how MENTAL I know you are ,as incidentally FLUSHING IS VOLUMTARY.
.MANDATORY. by URINE FAIRY FAUCET August 22, 2021

Mandatory Party Time 

This is typically a work-related event that you know you have a real good time. Still, you need to tell you're significant other that this is a mandatory work event where there are networking opportunities with centers of influence, also the potential for political gerrymandering, but primarily it's just a good time.
Nancy has been out multiple times this week, but she wasn't going to miss this critical work event and decided to go even though she is tired. The trick is going to be in explaining to her main man Dutch that this wasn't just another Mandatory Party Time.
Mandatory Party Time by Hixxz68 November 23, 2019

mandatory sex party 

A mandatory sex party is like a normal sex party, except if you don't attend you get arrested. People are told they will be attending a costume party, but what really happens is a wild, out-of-control orgy involving beer, fire, and moving logs onto the road.
Allie: So, how was your costume party last night?
Roger: It turned out to be a mandatory sex party.
Duncan: Those actually exist???
mandatory sex party by Alliestalker October 14, 2009

Mandatory Fun 

Fun, Mandatory: When the 1sg or CO (or their spouses) decide that the company's spouses and children are going to have a day set aside for them to have a family oriented even, and you are "invited" (I.E. no choice). you may not leave until the day is over, even though you live in the barracks and have no dependents of your own.
Nah man, CO has us on a Mandatory Fun Day today at 7:00 am.
Mandatory Fun by 11BulletCatcher September 3, 2010
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After we broke up, he was floxi to me.
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NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
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