It means something like call me or hey beautiful
It is a crude way of saying you're hot.
a girl who often makes the noise eeeppp!
That is lifter noise, they probably need adjusting
Clicking or a little popping noise means they feel happy the little hissing noise can mean many things but since it came after the clicking I'm pretty sure she was expressing how happy she was
either to die or a noise a frog makes :)
its normal
It means to make a noise that a Guinea pig makes. Or even more, the noise that a pig pig makes.
that means there is a short in the starter solenoid. pull starter out and have it overhauled
The noise a duck makes, or popular slang for an incompetent doctor.
It means the guy is flirting with you, or y'all are just really good friends. Many guys would do this to a girl to to mess with them.
This is called bruxing, and it has a similar meaning to a cat purring.
See a medical professional to determine if you have a problem.