To say things that are not meant to be taken seriously.

Creature from another planet.

In a clean and orderly way. – adj. (Slang) cool; great

To end.

A machine such as an airplane, helicopter, etc. that is able to fly.

Female hero.

Not to worry about something in advance.

Properly, safety.

Terrible.

To put in an upright position.

Certainly.

Warned about something bad or dangerous, but that thing does not actually happen

The place at a border or in an international airport where people arriving from a foreign country have their bags checked to make sure they aren’t bringing anything into the country that isn’t allowed.