Here's a handy pocket guide to the most common DOUBLE STANDARDS:
male slut = lothario, female slut = desperate.
male CEO = alpha, female CEO = bitch.
male model = silly, female model = alpha.
male nerd = loser, female nerd = cute.
young male death = statistic, young female death = tragedy.
male nurse = beta, female nurse = agreeable.
male stripper = clown, female stripper = desirable.
male sports star = role model, female sports star = butch.