When a chick comes up behind you, clothed or unclothed, and her boobs rest over your shoulders and around your neck resembling an emergency life-vest.
While trapped in a cave, Grant stayed alive by falling asleep in the security and warmth of his best friend's lifejacket; even though it was a little gay.
It means having too much traffic on a web site due to its link being posted on lifehacker.com as a feature article, sometimes even causing the featured web site to go down.
an event or series of events that ultimately change your life in a less than favourable manner, generally resulting in the realignment of ones life path.
A colloquial term for common sense that makes people feel good about their basic creativity, or lack thereof. Typically lifehacks are not all that helpful, they are simply advertised well so as to provide a false sense of improvement in the user's day to day operation.
Web sites now exist, where lifehacker (followers of the movement) can trade lifehacks - suggestions on how to reduce chaos and make their lives more enjoyable.