easy lover - A girl who's all over you like a rash but won't commit. She'

A girl who's all over you like a rash but won't commit. She's like a free lunch but you'll never get the bill.

You're all over me like a rash. I'm flattered.

I don't need a commitment. I just need a little fun.

You're like free pizza. I'll take it, but I won't pay the tab.