Analogous to Cock Tease: An attractive girl who is flirtatious and appears to be easy to close but alwaysends up backing out at the last minute.
Speaker 1: "omg look at all these sloots at the club tonight"
Speaker 2: "nah dude, they're all fake sloots...they'll just make you buy drinks and then dip out"
Speaker 1: "I hate fake sloots!"
A person, ussually in youth musical theatre, who pretends to be a Soprano vocalist generally because they want the tune. Their vocal range is clearly not suitable to be a Soprano.
Sarah: I'm a soprano, we always get the tune, so it is good
Sam: You clearly cannot sing high enough to be a soprano, you are a fake soprano