pop the hood (of a car)

The "hood" of a car is the flat part in front that covers the engine. To "pop the hood" means to open it up.

You can also "pop" the trunk of a car:

Hey, can you pop the trunk?

Of course, "open the hood" and "open the trunk" are both OK, but "pop" is more casual and conversational-sounding.

This phrase appears in these lessons: