What's the male equivalent for "Slut"

I know men are sometimes called sluts, the word is usually associated with women. Is there a male equivalent, other than maybe "gigolo"?

• Stud.

• I think "slut" is gender neutral.

  OP%2C%20you%20ignorant%20slut.

• Wilmer Valderrama

• [quote]What's the male equivalent for "Slut" Slut.

  Slut