Definitions by (anon)....

oxygen hog 

its is used to describe someone with a particularly large nose or nostrils
becuase they as a consequence are able to inhale more oxgen via the nasal passage so depriving everyone else of the vital oxygen we need to survive.

good lord that girl has large nostrils,
she is such an oxygen hog!

oxygen hog by (anon).... February 26, 2009