Source: Unknown
A man with a beard sits in an audience and looks around with a serious expression, then suddenly reacts with recognition, points his finger up, and breaks into a genuine, happy smile.
This is a perfect reaction clip for moments when someone suddenly realizes the answer to a question, understands a complicated joke, or remembers something important.
What makes "Man reacting with sudden realization and smile" from Unknown stick is that the expression and timing are doing more work than the words alone. Stripped from its original narrative, it became a versatile reaction meme that people use whenever they need to convey uncontrollable laughter and amusement faster than typing allows.
