What does it mean when guys says you're cute/pretty/hot/sexy?

Many guys your age don't make a distinction between cute or pretty so both mean you're attractive! :-) Hot would mean you're very beautiful and also could have to do with how you're dressed at any particular time. Like. "You're dressed so hot! " To call you sexy would mean you're attractive plus you have curves in the right places and that you're dressed in such a way that your clothes shows them to their advantage, either by their tightness or lack of them. Lol!

It means he thinks your attractive

Here's my take on this. Mind you that my opinion on this may not be so agreeable to others.

Cute: you look younger than your age with a touch of "innocence"

Pretty: polite way of saying you are beautiful.

Hot: rate as a 9 or 10 in looks. Can also mean you look ready for sex right here and now depending on what you are wearing. Excellent body and no flaws. Nobody would reject sex with you.

Sexy: You look great, ready for sex but not slutty or street whore. Classy yet sultry. Desirable.

That is how I look at it. I tell young girls they are cute. Older women they are pretty/beautiful. Model type women I designate as hot, in addition to sexy. Hot women in in evening gowns or swimsuits are sexy. Escorts don't count(^_^).