A man who uncontrollably stares at the skankiest looking, barely dressed females in public places while in the presence of his girlfriend or wife.
My boyfriend Chris is such a slut gazer, I saw him starring at 2 girls that looked like they just got off of work at the cheapest, nastiest strip club in town when we were at the mall shopping.
A person who deliberately stares at a man's penis in a urinalysis to make sure they are not using a device to get clean urine. Simular to a "pecker checker."
"dude I was so uncomfortable in my piss test. Mr Greenspan was being a real dick gazer."