adj. To be worthy of sperm. Describes a very attractive woman that is fit to be fucked. The term also describes a woman who deserves sex because of her looks or personality. It establishes an unwritten criteria for a female's sexual eligibility.
That girl is definitely spermworthy.
Guy #1: Dude! That girl is disgusting. She is not spermworthy.
Guy #2: Thanks dude. I dodged a bullet there.
Girl: Why are all those popular girls having more sex than I am? I'm more spermworthy than they'll ever be. It's uncanny!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.