This phrase is a colloquial way of saying 'to take a turn' or 'to go for a stroll/walk'. It is not commonly used in all Spanish-speaking countries, but can be found in some regional dialects.
Examples
- Spanish: Voy a girar decía dar un yiro por el parque para despejar la mente.
- English: I'm going to take a stroll around the park to clear my mind.