Similar to lol wtf. When someone says something random or stupid and funny, and you don't understand what they just said, just reply with the pear picture. LOL WUT is written on this because it's a funny picture and it suits the face
Bill: What would you say if i said i can do a massive god jesus boy hadouken?
An image macro used to express confusion, amusement or disbelief, usually in response to somethingrandom or outrageous. It originated on 4chan and is based on "The Biting Pear of Salamanca" by artist Ursula Vernon. Many other versions now exist.