1. Something is floating up in the air
2. Something is indefinite or undetermined
up in the air
The term up in the air means to be undecided about something or someone. Example: The plans for the wedding are up in the air as she isn't talking to me at the moment.
to be stuck up
its when you get low to the ground and pop the ball up in the air
By glider do you mean like paper airplane?? it is held up by air pressure,,This will not work on the moon. There is no air there.
I think you mean HOP-UP not pop-up. It's a faster rate of fire.
he means your feet is not on the ground, because your mind is up in the air
Picture someone holding their nose up in the air - they look very aloof and snobbish, right? That's what this idiom means.
It can mean any manner of explosion, with any cause. It can also mean to inflate something with air, as in a balloon or a tire.
If you mean freeze as in ice up it is probably low on freon.
You must mean 'fan'.
It does not mean anything significant when a person ends up vomiting instead of burping. It means the esophagus opened and the stomach spilled its contents instead of just air.