When someone gets you sexually aroused

i feel horny

Even you don't feel any attachment to people, you just can use this magic words to get laid. You are not lying, you are turned on by sex itself.

Hot guys turn me on like a light switch hyaaaaaaaa

hyping someone up

She's so hot she turned me lesbian

A phrase used by gay people when they want to compliment a woman on her looks, they may say "You turn me"- the woman looks so beautiful that she turns them from gay to straight.