1. The act of having sex in a military port-a-john. So named because the female's foot can accidentally slip into the blue sanitation water due to one leg being raised to allow access.
An expression that (is normally apparent in fat people) looks like a person is hypnotized by a doughnut when you try to tell or explain something to them. You know how when your talking to a fat person, you say something they don't understand, they develop that "cuddly bear" look. that is "bluefoot"
A person who frequently wears skinny-jeans and participates in the "yuppie" culture that skinny-jeans represent. Term originates from skinny-jeans cutting offcirculation in ankles, thus resulting in blue feet.