In what context? As in ghost hunting, blowing bubbles, what?
Don't listen to Bonestructure.
It means they'er coming to get you.
You should run. RUN NOW! THEY'ER COMING !!!!!!
Other people asked questions on similar topics, check out the answers they received:
Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them