Monoid vs Ballbusting  What's the difference?
monoid  ballbusting 
As nouns the difference between monoid and ballbustingis that monoid is (mathematics) a set which is closed under an associative binary operation, and which contains an element which is an identity for the operation while ballbusting is the beating or kicking of the male genitals, a fetish with some masochists and sadists.As an adjective ballbusting ishaving a violent or aggressive attitude towards men (said of women).Other Comparisons: What's the difference?
