To make someone your number one romantic focus, your main person. Borrowed from gaming culture where your 'main' is the character you always pick — applied to crushes and romantic interest.

Infidelity, romantic deception. To put 'cuernos' is to be unfaithful to your partner; to wear them is to receive them.

A blabbermouth, loudmouth, or someone who can't keep their mouth shut about other people's business. A bocón always manages to be the one who spills the secret, ruins the surprise, or shares what they should have kept private.

A person who is very well-groomed, with their hair slicked back with gel, and dressed in an exaggerated, flashy manner. Also refers to someone who thinks very highly of themselves.