Pole's Big Adventure, a tongue-planted-firmly in cheek send-up of retro side-scrolling Famicom games, brings long overdue mushroom dick jokes to the Nintendo Wii.
As game site Siliconera explains, in the game's fifth level, Pole is able to grab a mushroom and eat a mushroom that causes only a very selective part of him to grow.
The writing in the above screen ("mokkori") translates to the equivalent of "schwing." See, they don't call it Pole's Big Adventure for nothing. Oh ho ho!
Pole’s Big Adventure’s Big Penis Joke [Siliconera]