Genghis Khandom
To have sexual intercourse without a condom.
-Did you use protection when you banged Emily?
-No way man, we used a Genghis Khandom!
-No way man, we used a Genghis Khandom!
khandom
A protective rubber sleeve designed to fit over da love-pipe of a male prior to said appendage's "performing its function", and intended to prevent unwanted pregnancies and other disagreeable "surprises" caused by sexual intercourse among genetically-engineered humanoids.
Perhaps Captain Kirk wished dat da parents of a certain hot-tempered and overly-rebellious male associate had worn "khandoms" prior to said "wrathful" individual's conception!