There is nothing quite like teen ass. At 18-years-old, women have the kind of booty that is perky, round and firm. If you're a fan of awesome ass, then you'll the thong flash these ladies are giving us in these GFRevenge pics. They have a blast while they pull down their jeans and expose those sweet cheeks. I can only speak for myself, but I prefer the one on the left. She has just got a plumper ass that looks like it would be lots of fun.