Noun
(figuratively) A symbol of the ideal middle-class suburban life, with a large house, family, and peaceful lifestyle.
Used other than figuratively or idiomatically: see white, picket fence.
Source: en.wiktionary.orgLife is not living in the suburbs with a white picket fence. That's not life. Somehow our American culture has made it out that that's what life needs to be - and that if it's not that, it's all screwed up. It's not. Tom Brady
I grew up with the white picket fence. My dad went to work nine to five, and he had a station wagon. Matt Dillon