Question: how to flirt with a guy you know?
Answer: Staring Into His Eyes. When you spot the person you like, lock eyes with him. ...  Smiling and Laughing a Lot. A smile is considered as the most powerful expression. ...  Complimenting the Guy. Guys love to be complimented. ...  Being expressive. ...  Touching Him. ...  Being Girly. ...  Teasing him. ...  Wearing red clothes.