Top Definition
Term used to define the involuntary collection of a man's sperm, generally comitted by females who desire to have a child with a male with no such desire.
"Kitty was totally caught spermjacking George Senior, that bitch. She was worried that his new hair growth medication would render him sterile."
#booty #conception #jesus #sperm-jacking #carjacking #huge junk
by Divisionbear June 22, 2009
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