Top definition
Submarine-Launched Ballistic Missile

A nuclear missile launched from a submarine.
"There're warheads that can be launched from submarines and airplanes as well. But ICBM's are supposedly the better bet because, for example, aircraft-launched ballistic missiles are said to not guarantee a hit, or something like that. Maybe the same goes for SLBM. I dunno; I'm no nuclear weapons expert."

PS : I said it like "new-clear", not "new-q-ler". LOL
by Dave March 26, 2004
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