Girl, did you see what the fug is wearing tonight? (meanwhile the fug in question is standing right next to wearing k-mart jeans and a puzzled expression)
The term was developed in the past year (2005) by a bunch of Canadian students on an Ottawa trip.
It is often used to describe "muging" of shoes while the subject is distracted. Originates from the word Mug - which relates to robbing, whether at gunpoint or not. The "M" was replaced with an "F" to stand for foot, or feet.
It is also often used to replace the F word in many cases, and can be used as cover up when around older people.
An abreviation that means Fucking Ugly Ginger. This word can be used quite descretely and works well. As red headed people are known to be firey and short/bad tempered expect the FUG to retaliate