LOL! That was one of my mom's biggest peeves growing up. She actually hated any moaning/groaning sounds in general. That kind of stuff really annoyed her for whatever reason.
I am personally peeved by: men who don't hold doors for women (call me old-fashioned), having to repeat myself more than once, people who fake nice, adults/parents who hit small children, when people don't flush in public bathrooms, extremely cold A/C