When something emotionally touches you or exceeds your expectations. The ending of that movie totally blew me away.
Pro Tip 2/3
Positive Shock
Feeling of pleasant surprise, often used in conversations about talents, performances, and abilities. His piano skills will blow you away!
Pro Tip 3/3
Informal Expression
Common in casual speech among friends or on social media, not suitable for formal contexts. I got to see the new exhibit, and it completely blew me away.