🎵He's gonna take you back to the past🎵
🎵To play some shitty games that suck ass🎵
🎵He'd rather have a Buffalo take a diharrea dump in his ear🎵
🎵He'd rather eat the rotten asshole of a road killed skunk and down it with beer🎵
🎵He's the angriest gamer you've ever heard🎵
🎵He's the Angry Nintendo Nerd🎵
🎵He's the Angry Atari Sega Nerd🎵
🎵He's the Angry... Videogame... Nerrrrrrrrd🎵

-- AVGN theme song

The Angry Videogame Nerd was a character played by James Rolfe, starring in a YouTube series of the same name from 2004 onwards. He would show off his outstandingly large collection of physical copies of videogames, primarily for the NES, and each episode was a (obscenity-filled) review of a different terrible game.

The series is still on YouTube if you can stomach the rather vulgar humor. There's nothing actually offensive, just... a lot more creative obscenities like the ones in his theme song.