fuck boy

Short definition from Wiktionary

Noun

1. 1
   A young man who sleeps with partners without any intention of having a relationship with them.
2. 2
   A weak and contemptible man.
3. 3
   A prisoner who provides sexual favors to a stronger inmate, either as the result of rape or in return for protection and gifts.
4. 4
   Alternative form of fuck boy: A prisoner who provides sexual favors.
5. 5
   Alternative form of fuck boy: A contemptible man.