yoi strings
any tight panties or thong type apparatus that makes you even remotely think that the cloth may actually be riding up between the baloney flaps
you are walking on the beach or down main avanue and get the disting impreesion that the chick is doing a flying Walenda on the crotch of her undrthings you just shout out as if your hawking beer at a ball game,......"Yoi Strings !"