look up any word, like cleveland steamer:
 
1.
noun:
someone who is unbelievably perfect; ruins your image on how most people are; makes you believe that most people are unworthy because there is someone like him/her around
Darren Criss, Logan Lerman, Andrew Garfield, Joe Walker, Charlie McDonnell, Life Ruiner
by Permanent Rose May 10, 2011
 
2.
Noun; Someone who is constantly making your ovaries explode and one look can make you pregnant. Someone who can intoxicate an entire fandom.
Darren Criss, Chris Colfer, Chord Overstreet, Mark Salling, Cory Monteith, Harry Shum Jr, Jonathan Groff, Life Ruiner
by DKlainebows June 06, 2011
 
3.
someone who constantly is ruining your life.
and smilies while they do it.
"Argh, you're such a LIFE RUINER!"
by sarahelizabeth. December 21, 2005
 
4.
Women who are attractive and dangerous. Often being known to cheat, use drugs, binge drink, and lie. Liferuiners usually roll in flocks and are hard to resist.
"Dude, i went to a party with all liferuiners, it was awesome"

"shes got to be a liferuiner, i want her"
by Joey e Long January 09, 2009
 
5.
Something or somebody that destroys your life beyond repair, like drug addiction, unplanned pregnancy, or being disfigured.
He got accepted to an Ivy League college, but he can't go because he knocked up his girlfriend. What a life ruiner.
by irksomekitty May 21, 2009
 
6.
what is said everytime stu ruins my life.
"STU you're such a LIFE RUINER!!"
by CLAIREH August 03, 2006