Top Definition
1.The best place in the world
2.A great Party
3.Somewhere you go when you turn 40
4.An awesome person
1. I went to the Four-O of Four-O's

2.I went to a sweet Four-O

3. my wife turned 40 so we brought her to the Four-O

4. That dude is a Four-0
by yawayssysavayDVWJFBKJWAEGNRLKJ November 27, 2010

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