In Spanish slang, 'dominó' usually refers to a popular board game played with rectangular 'domino' tiles. However, in some contexts, it can also refer to someone who is very knowledgeable or skillful in a certain area.
Examples
- Spanish: Juan es un verdadero dominó en matemáticas, siempre obtiene las mejores calificaciones.
- English: Juan is a real 'domino' in mathematics, he always gets the best grades.