sperm beans Share definition Flag Slang for the portion of the male genitalia which manufactures sperm (the testicles). Man, he ain't NEVER gonna be havin' no kids after THAT hit to da sperm beans! sperm beans by Abe Yancey November 10, 2008 0 0 Get merch Get the sperm beans mug. Buy Now — $32.95 See more merch