moaner

noun2

1. •
   One who makes a moaning sound.

   • Elena was a moaner. Sex and moaning had become synonymous to Grace. She had no trouble conceptualizing sex between any two creatures capable of moaning. — 1997
2. •
   One who complains.

   • In any big outfit, including this one, you're going to get some bitchers and some moaners. — 1998