What does wise guy mean?

Understanding of what are wise guy in betting is easy. This is a user who is well versed in football or in some another sport. In slang, it means that a user knows the schemes perfectly and makes the most accurate forecasts.

Therefore, gambling for him is not just a hobby but an important source of income. Now you know what is wise guy. Most often, he has excellent knowledge in soccer or other popular competitions, probably, the best among fans of betting.