When going on an elongated excursion with a female riding shotgun it is an obligation to said female that for every two hours of said excursion she preform oral sex upon your member
A: How was the 8 hour drive from Jersey to Maine with your girl?
B: it was great! especially the Mandatory Road Head
by BalerionTBlackDread February 01, 2017
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this is a simple phenomenon, basically just what the words say: it is a party where it is mandatory to have sex -- with allie brosh.

variations have arisen whereby whatever girl or guy that is named becomes (he or she) with whom sex must be had if you want the free drinks and food etc
dave: did you go to the party last night?

dale: i went to the house, but i got there and turns out it was a mandatory sex party and i didn't have any viagara and, you know, i can't naturally get it done with non-asians. allie said just an hour or so of oral would be ok but i was looking around at all the guys who'd already been there a while and had their turn and i kind of thought i'd be better off just going to a movie.
--
dave: did you go to the karen's mandatory sex party last week?

dale: yeah. it was pretty fun.
by willhard9723 May 19, 2013
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A movement that seeks to make it a law where if any guy wants to have sex with any woman anywhere that he can file a mandatory sex request to have mandatory sex with her vand if she can't come up with a very good reason why not she has to have sex with him or go to jail or prison.
Founded by a bunch of guys sitting around a table at hooters.
by Deep blue 2012 February 03, 2010
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A party where all of the attendees get laid/are offered/arranged a sexual intercourse.

Preferably known in advance and with a voluntary commitment to copulate if necessary on the basis of compulsory empathy
Sure world needs more mandatory sex partying. All those odd fish fucking each others brain out
by ulzha February 05, 2010
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The term used for a mandatory tutoring session or something of the like that you must attend when you fail a test. Instead of saying mandatory tutoring, you say mandatory fail party to make it not sound as lame.
"Shit! I failed my psych exam. Now the professor is going to make me go to mandatory fail party."
by ChristyRoad April 16, 2009
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See Mandatory Sex Party, with zombies. 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. This one just has zombies.
by Rabid Tiki God September 26, 2010
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What did Santa leave for you under the mandatory gift giving bush? (cherubic child's voice) A choo choo and a dolly and a bike and a 15" black double ended dildo with buttchugging attachment and a football and a kite and a......................
by Ramone Goodlove December 26, 2012
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