I showed my cleavage to a stranger.
Why did you showoff your cleavage?
I wanted to know if I'm sexually inviting.
Exposing yourself to a stranger is wrong and can have legal ramifications. You should not do anything sexual with someone without their consent. You will make people feel very uncomfortable if you continue doing this.
I bet you would be turned on if a stranger exposed themself to you.
It doesn't matter if someone would be turned on. A lot of other people would not and would be offended by what you are doing. It's not worth the chance.