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the condition of not being able to be stopped; i.e., threads that grow to be eighty pages long within the span of a few hours. memes that grow and spread like wildfire. usually used in connection with the 1:05 and its loyal perpetuators. can also be used to describe a feeling of bravo.

antonyms: stoppable
1. gmail invites are unstoppable!
2. that thread is totally unstoppable.
3. i'm feeling unstoppable tonight.
by Malloreigh October 24, 2004
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Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
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2
the ultimate in something being kick-ass or sweet. possibly taken from the unstoppable juggernaut of x-men fame.
angelina jolie's lips are unstoppable
by Greg March 13, 2004
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3
A sex ritual in which one party dons a Denzel Washington mask and huge strap on cock (black if available) and second party lies helplessly. The first party begins at one end of the room (or suite, hallway, floor, etc.), aims the cock, and moves toward the receiving party, slowly at first, but incrementally increasing speed. Receiving party yells, "We're talking about a MISSILE!" A third party, possibly by telephone or CB radio, says, "A cock that size, coming in that fast, will VAPORIZE anything in front of it!" and "It's a missile the size of the Chrysler Building!!" Finally, all parties anticipate an event radius of 20 to 45 miles as reality sets in: the only way to stop that kind of power is to grab it by the tail and gun it in the opposite direction.
Jason: How are you feeling tonight?

Trudy: Unstoppable?
by Denzellian November 14, 2010
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