lifetrack 

a track that changes or influences the course of your life; a song that you love so much that you are likely to play it on repeat or in a DJ set; a song that makes you want to turn the volume up to full blast.

often used as a "hashtag" in twitter.

#lifetrack : "slip" by deadmau5 is totally kicking my ass.

lifetrack by lhiver November 24, 2009

lifejacket 

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.

lifejacket by cowtipn January 29, 2007

the lifehacker effect 

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.

I just visited the site, but it seems the lifehacker effect took off again!

the lifehacker effect by mish1234568 March 14, 2009

lifetramping 

1. Work & life shadowing. Lifetramps share their lifestyles, fostering cultural exchange.

2. Way of living in constantly changing reality by focusing on people and new experiences.

Word origins from liquid modernity concept.

1) I was lifetramping with DJ in New York last week, it was an amazing experience.

lifetramping by satoshi November 29, 2013

Lifehack 

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.

"Check out these 7 lifehacks using only paper clips! #1: use them to hold your papers together!..."

Lifehack by Vibraslap_Guru February 25, 2017

Lifehacker 

One who practices lifehacking. See lifehack.

John Doe: I can turn the channel 2.5 seconds faster than before.

Jane Doe: You are such a lifehacker.

Lifehacker by Necronites February 6, 2012