A big yellow thing that has a big penis
by Big Dick Papp March 28, 2022
Get the Pikachumug. The most well known Pokémon. It evolves from Pichu and evolves into Raichu. Is this the only legitimate definition on Urban Dictionary?
by Gn Leumassy March 15, 2022
Get the Pikachumug. When you go around with a taser turned on shoved up your ass as you run around in public painted yellow screaming” i wont go in i wont go in” referring to entering a pokeball
by Mrkingrat March 17, 2025
Get the Pikachuingmug. by The Fn Goons August 2, 2017
Get the happy pikachumug. 

