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1.
in Hip Hop, releasing a lame track to get commercial radio play, thereby losing all credibility within the scene.
Named after artists Pez & 360 released their track 'The Festival Song' for this very purpose.
That guy Pez just did a threesixty and released the worst track.
by PeppyPerry June 27, 2010
 
2.
When someone makes a radical life change
1) Last week Jane was going to become a nun, this week she has done a three-sixty and plans to marry Philip next month
by proust March 26, 2010