Mammoth's Chin
A ludicrously unkempt and overgrown lady-bush.
"Judging by the underarm hair, I bet she's got a fanny like a Mammoth's Chin"
"So she lays back, spreads her legs, and what am I presented with? A mammoth's chin!"
"So she lays back, spreads her legs, and what am I presented with? A mammoth's chin!"