To pick on someone who's already beaten or to obsessively dedicate yourself to something in Spain. When you won't let go of your target or your activity and keep going until someone tells you to stop.

Having guts, bravery, and determination to do something difficult. To have guts means not backing down when action is required.

A fight, a problem, a conflict between people that can escalate quickly. It's that tension in the air when two people are about to throw hands at any moment.

To absolutely love something, to find it incredibly awesome in Spain. Combining molar with mazo is the peak level of approval among young Spaniards — the most intense way to say you love something.