Calm down Pikachu Share definition Flag A phrase used to tell someone to settle down, i.e. when they are too frisky. He was acting crazy so I screamed "Calm down Pikachu!" in a pseudo-Japanese-infant voice. Calm down Pikachu by No Dutch December 12, 2003 0 0 Get merch Get the Calm down Pikachu mug. Buy Now — $32.95 See more merch
