cumrag

noun3

1. •
   (slang, vulgar) A piece of fabric used to clean off semen after masturbation.

   • Socks make great cumrags.
2. •
   (slang, vulgar) A person who engages in sex frequently and receives semen inside or on them.

   • You're my cumrag, you're my pussyboy — 2010
3. •
   (vulgar, offensive) A term of abuse.