A fork of Rural Dictionary
1: A colorful, challenging course finalizing the Special Cup in the Nintendo Mario Kart game series. 2: An annoyance. 3: The bane of one's existence.
"SHIT FUCK, GODDAMN YOU RAINBOW ROAD!" (Often used during game play, after falling off course 4 times in a row.) or "I can't believe that stupid asshole picked Rainbow Road again." (Often used during WFC Wii Online play)