Like a cougar, only older & with chin hair. They typically try to dress trendy, get with young cabana boy type guys, have ginormous acrylic nails, processed hair, and liver spots. May or may not be a sugar mama, depending on the wealth (or lack thereof) her first (and/or 2nd-3rd-4th) husband had.
If not wealthy, Mountain Goats can often be found residing in trailer parks, with at least on piece of Dolly Parton paraphernalia.
Christena: "whoah, did you see the gold splattered jeggings that Mountain Goat is wearing in an effort to appear relevant & get that dude's attention who's in his early 20's?"
Johnny: "for reals. It's disturbing; she smells like generic Elizebeth Taylor White Diamonds perfume, stale menthols & used cat litter..."