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A term expressing an expectation of reciprocity. If event A happens, then event B will certainly follow. Most commonly used in the phrase "mutually assured destruction," which posits that the best defense against a nuclear-based attack is the threat of a "mutually assured" retaliatory nuclear-based attack...although the term can be applied to events less earth-shakingly catastrophic.
"If I go down on you, it damn well better be mutually assured that you'll be sucking my cock afterwards."
by lexicographer September 15, 2003
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Normally heard in the context of `mutually assured destruction`; when something is mutually assured, it is guaranteed to happen to both parties involved. This phrase is normally linked to discussions involving nuclear weapons, where `mutually assured destruction` means that we are all guaranteed to die.
Hindsight is always 20-20
But looking back it's still a bit fuzzy
Speak of mutually assured destruction?
Nice story...tell it to Reader's Digest!

- Megadeth, _Sweating Bullets_
by Wingchild September 13, 2003
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An agreement between two groups of people that one thing or outcome is guaranteed to happen or be true.
It was mutually assured by yo mama and I that you're a homo.
by firex September 15, 2003
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when ur "mutually assured it means that as of now u and the negro next to u knows that ur both packin heat and that he pulled on u u could pull right back on him
the skinny white man with a shotgun in his trench coat was mutually assured by the large black man next to him that he was not goin down without a fight
by eric fool September 16, 2003
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to feel safe because others feel the same way
peer support
feel the same as someone
now that i'm mutually assured i'll do the driveby with u boys
by teddyK September 13, 2003
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When both parties are simultaneously guaranteed satisfaction.
By engaging in a 69, both me and my girlfriend were mutually assured a wild climax.
by JlO September 05, 2003
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Collective agreement. More than one thing acting together to ensure something happening
The spanking of the Nazi's was mutually assured by the Allies.
by Wolfwood September 14, 2003
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