I thought "sleeze" was the male version of slut. Sexual promiscuity is contained in both their definitions, with slightly different gender connotations. Slut is a word with many varying connotations, depending on the speaker's own sexual morality. Not everyone sees sluttiness as a bad thing. However, sleeze always has negative connotations in the form of creepiness or even borderline predatory sexuality, and it's a term I've never heard used to describe a woman.
As for my personal opinion of the way people dress or behave sexually... I really don't care. I have a very liberal outlook on that sort of thing.
However.
There is still social responsibility. Sleeping around is fine, but don't be reckless about it. Some people are off limits. Some people are dangerous. When I hear the word slut, it's usually identifying someone who is not just promiscuous, but has sex recklessly in ways that endanger themselves and others.
The same thing applies to clothing, to an extent. I absolutely hate when women dress themselves in a sexualized fashion, because my wife is very jealous and paranoid. Anytime we are together and encounter a female who could be considered conventionally attractive and is wearing clothes that are obviously designed to show skin or accentuate curves, it's just a huge source of stress for me. All of a sudden, I have to try to function casually, while putting 90% of my attention into exactly where my eyes are at all times. It's not that I need to keep myself from staring. It's that I need to make it very very obvious that I am not, and I need to find excuses to be interested in things that are as far away from that person as possible, to ease the interrogation that is sure to come later as much as possible.
I understand the rhetoric about being liberated and comfortable with one's sexuality, and having the freedom to express that. I don't have the right to deny anyone those things. In a perfect world, it wouldn't be an issue... but since the world is far from perfect, I do have the right to ask people to be considerate, because some women have self-esteem issues and some men have to live with those women.