man milk vs milt

man milk

noun

  • semen 

milt

noun

  • The semen of a male fish. 

  • The spleen, especially of an animal bred for food. 

verb

  • To impregnate (the roe of a fish) with milt. 

How often have the words man milk and milt occurred in a corpus of books? (source: Google Ngram Viewer )