And that's quite all right, only it doesn't sound like they're using it for any actual constructive purpose.
It sounds like they're just trying to get it to sound like a cat. In heat.
Wow, that sound sure is annoying.
If I were the type to use the "Current Mood" feature here on LiveJournal this is where I'd choose the "Annoyed" mood to let you know that I am, indeed, annoyed.