Wiktionary
n. (context US Mafia slang English) a personal friend who is not a member of the Mafia
Wikipedia
"Friend of Mine" is a Grammy nominated number-one R&B song recorded by singer Kelly Price. It spent five weeks at number-one on the U.S. R&B chart and was awarded a Soul Train Music Award for Best R&B/Soul or Rap New Artist.
A remix was made of the song featuring R. Kelly and Ronald Isley. This version became a pop hit in 1998, peaking at number twelve on the U.S. Pop chart.
Friend(s) of Mine may refer to:
Friend of Mine is an album by folk singer/guitarist Greg Brown and Bill Morrissey.
"Friend of Mine" is a song by Canadian band Treble Charger. The song is the first single and opening track from the band's third studio album, Maybe It's Me. The song was used by ESPN as the theme music for the 1997 X Games Wakeboarding Championship.
Usage examples of "friend of mine".
Item: a woman friend of mine recently told me that she'd broken off a (hitherto) stimulating exchange of e-mail with a young man.