Should you look down at the floor because every time you make eye contact with a co-worker she starts complaining about $h!+?

Look above!!

Just pretend you're in a hurry... and DO not stop at go- they can use someone else a an issue tissue

Yes. It doesn't always work though. But it's worth a try.
This person I work with doesn't shut up even when no one is looking at them or listening. >.>

I agree with Sweet Mae.. but oggling in the office or not is not welcome, and many times unintentional

Yeah, that sounds the safest reaction.