A phrase that is utilized to expresspositiveness, a guarantee, or just general "knowing" of a person, subject, or event.
Jake: "Was the party at TJ's really as cool as everyone said it was?"
Dre: "Hell yeah man. Everyone was having a good time."
Jake: "Man, for real? And I missed it?!"
Dre: "Rest Assured Jake. You missed more than you'll ever know..."
The recognition that the use of nuclear weapons between any two nuclear powers (or nuclear-allied powers) will result in mutual destruction. The reason nuclear weapons are so useful (and can never be used).
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.
The state of being in which two people both cock block each other into the friend zone even though they are both attracted to and want to be with each other.
They are then relegated to the state of perpetual friend zone with much regret yet they never know what it is that they failed to achieve.
Thus these two attractive people are forced to for ever interact and want yet not connect.