My older one, Toby, LOVES to lick feet and legs. He will sometimes wait at the bathroom door and when he hears the shower shut off he starts barking to get in - apparently he doesn't care if they're clean.
His nightly routine is to get in my bed and wait until I lay down...then he proceeds to lick one leg and then the other, all the way from knees to toes. Lola is just 4 months and she usually just wants to nibble on my toes right now. Those baby teeth are SHARP!!