This meme consists of what is basically a gif taken from the Disney/Pixar movie, Finding Nemo. The scene that is taking place is a heavily sped up gif of Bruce the Shark laughing.

This meme is typically used when a person finds something funny or amusing. The humor will typically be found in something that is considered 'edgy' or over the edge. This meme is also used when someone is generally happy or maniacally laughing, as Bruce appears to be, in the gif.

This meme is often used in an over the edge fashion that sometimes regards rape, having sex with underage children, and child abuse. However, this meme has been used in numerous different ways so it is difficult to pinpoint exactly what the intended use or joke in this meme is.