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1 definition by Lewos

 
1.
this is an Inter-Continental Ballistic Missile. it is used by most countries with any form of advanced weaponry and can carry many sizes of warheads.
The difference between an ICBM and a regular missile is that the ICBM is exceptionally long-ranged. In recent times it is most associated with carrying a nuclear payload which as we all know, are international in their range.
"Lets go launch a nuclear ICBM at those American wankers who think they're so good."
by Lewos March 27, 2004