Looks like Pikachu's being a little clumsy here.
Based on a scene from the Mickey Mouse (2013) short, "New York Weenie", with the audio even being used.
Watch it on YouTube:
https://www.youtube.com/watch?v=KtvtJCFPvzM
Pikachu model by MMDSatoshi.
Poké Ball model by SAB64.
Pikachu © The Pokémon Company, Game Freak, Nintendo