Mauro gif
When someone posts a pointless and unrelated gif in a group chat. Everyone thinks the gif is stupid except for the person that posted it.
Mike: "Look Mauro posted another trash gif".
Bob: "Yeah he always does it, it's a Mauro gif aka a trash/pointless/unrelated gif".
Bob: "Yeah he always does it, it's a Mauro gif aka a trash/pointless/unrelated gif".