fuckboy

/F AH1 K B OY1/
noun
  1. 1

    A weak and contemptible man.

  2. 2

    A prisoner who provides sexual favors to a stronger inmate, either as the result of rape or in return for protection and gifts.

  3. 3

    A womanizer; a young man who sleeps with women without any intention of having a relationship with them.

Source: https://en.wiktionary.org/wiki/fuck%20boy, https://en.wiktionary.org/wiki/fuckboy