What does it mean when you bump your wrists together 2 times?

Bumping your wrists together two times could be a nonverbal gesture or signal with various interpretations depending on the context and cultural norms. In some settings, it could be a playful or affectionate gesture, a way to get someone's attention, or even a form of communication in a specific group or community. Understanding the specific meaning would require additional context or information about the situation in which the gesture occurred.