Top Definition
Star Trek slang for a woman's vagina.

Came from the Jefferies tubes on the Enterprise, the small, narrow maintenance shafts into which Scotty could barely fit.
"He gently massages your gel packs while he replicates some lube, Then he shoves his throbbing razor beast into your Jefferies tube" -Voltaire, The Sexy Data Tango
by MagnusMjoi October 07, 2010

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