Radio Syndrome is when you spend all of your time by the radio, listening to the "hottest" songs and learning all the lyrics.
Jim: Likes it die-no-mite, cause I told you once, now I told you twice, we gon light this up, like its die-no-mite
Bob: Wow, you know those lyrics.
*Five Minutes Later*
Jim: This place about to blo-ooo-ooo.
*Ten Minutes Later*
Jim: *singing the song by heart*
Bob: Dude, you have radio syndrome. Go turn off your radio.