Marica comes from everyday Spanish slang, where the word has a long history as a slur but is also reclaimed in parts of Colombia and Venezuela as casual, often affectionate slang between friends, similar to calling someone dude. Online, that double meaning made the shouted clip easy to reuse out of context as a universal reaction. It circulates in short form edits, gaming chats and group voice notes, where a single loud word can signal disbelief faster than an explanation, and its brevity keeps it easy to loop, caption and layer over reaction faces.