It means death is a very real threat.
It means someone is looking over you in a perspective way as in watching over you(creepily)
the armies strategized for the upcoming battle looming over their general's head
Dark storm clouds were looming on the horizon, casting a sense of impending doom over the peaceful village.
Most people think it's bad luck, but some think it's superstitious.
If you are head over heels in love, you really are in LOVE.
It means that it goes over the top of your head, if you define it literally. If you mean in figurative language, it means that you did not understand whatever it was - it was beyond your understanding.
It means that something is to much for you to handle
Very :) It has connotations of being above, ruling over, domination, etc.
He is a towering skyscraper looming over me.
It means: a sweater that you pull over your head.
That means that Poseidon accepted him as his son.
worrying is like sitting in a rocking chair, it gives you something to do but it gets you nowhere