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"i'd rather be masturbating." mostly used to express frustration with an undesirable task.
square: hey are you going to the biochem review session?
baller: IRBM.
by aforce March 13, 2008
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Intermediate Range Ballistic Missile.

Similar to ICBM but with smaller range .By definition, range if the range is smaller then 4000 mi, it's an IRBM.

"Ballistic" in this case means that the missile does not depend on anything like a wing for lift (it may or may not have small fins, though.
The V2 was the first IRBM.
by meselfs January 13, 2005
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