Desarma is a form of the verb desarmar, which literally means "to disarm" someone of a weapon. It's a powerful and poetic word used here in a metaphorical way that you don't hear every day.
In the song, the singer says, "Me desarma tu mirada" (Your gaze disarms me). He uses this word to express how her look leaves him completely defenseless and vulnerable, stripping away all his protective walls. It beautifully captures that overwhelming feeling of being smitten with someone.
“Corazón” is a playful love anthem where Los Auténticos Decadentes confess how totally spellbound they feel around someone special. The singer can’t control a thing: her smile hypnotizes him, her eyes dismantle his defenses, and he melts “like ice in the sun.” Every decision, from where to go to how he acts, orbits around her presence. He compares himself to a stray dog loyally following her through the streets, yet he stresses he isn’t a prisoner or a robot—just a free spirit overwhelmed by a face that stole his heart.
The chorus drives home the tug-of-war between independence and irresistible attraction. No matter how much he claims autonomy, that beloved “carita” keeps winning, carrying off his corazón again and again. The song is light-hearted, catchy, and bursting with vivid images that paint falling head-over-heels as both exhilarating and a little ridiculous. It reminds listeners that real love can make even the most independent soul feel happily helpless.