Define Radio Friendly Meaning

1. Radio friendly songs are short simple songs with an easy beat to dance to that are perfect for play on the radio, like most popular music. Radio friendly songs are often vacuous with simple lyrics and boring riffs, yet appeal to the mainstream audience of Junior High kids.

2.To be radio friendly is to present yourself so the majority or people will like you and accept you, to think like everyone else, look like everyone else, and be like everyone else, in other words, a lemming or tool.

The grand Nirvana song on the album "In Utero" which contains tons of feedback and guitar muscle. There are many live videos of them performing the song (usually opening the concert with it).
"Radio Friendly" in music terms refers to a song being aired on a radio station that appeals to mainstream audiences.
"Unit Shifter" refers to a song that can sell copies of an album. Ironically it's the most aggressive song in the whole radio un-friendly album.