One of the most addictive games after Counter-strike and World of warcraft.most of the players are individuals from 5 years to 25 years old and are those who play up to 8 hours a day are called ironiclly "half-lifers" because they have a"half-life" by playing that long.
Dude 1: hey what are you doing?
Dude2:nothing, playing half-life
Dude 1: how long?
Dude 2: 9 HOURS STRAIGHT
Dude 1: you such a half-lifer
by miles949 July 04, 2009
Half-Life is about a guy, Gordon Freeman. He went to Black Mesa and worked at the test chamber, something went wrong, aliens started comming and trying to destroy Black Mesa. Your job is to go to the surface and meet up with Milatary Forces. But the government ordered the Milatary to kill the aliens, but also the workers of Black Mesa! Your next job is to go to Lamba Complex and telaport to Xen to destroy the big boss!
Fight all the aliens like Headcrabs, Vortigaunts, Zombies, Soldiers, and more enemies you will face, get weapons to defend yourself and save Black Mesa from the Xen Wildlife. This is Half-Life!
by Mega Sean 45 June 18, 2008
The time it takes for you to lose your virginity.
Dude did you just lose your virginity?" "Yep my half life is over."
by disobeyed toast February 05, 2011
A half of a shitty life, or what the person who wrote the definition above has.
I aint got nar sack, but i still got me a half life, I think
by ZZTOP an' da byz April 16, 2005
A fairly good game that has seen one too many mods, hacks, and cheats. It's already shown its age despite its addictive gameplay.
Half-Life is still popular thanks to the Counter Strike mod.
by AYB April 01, 2003
A game.

More specifically, a mind-control device that causes anyone who plays it to begin dissing Halo for no good reason.
We must save them before it is too late.
by Cortana Dragoon July 02, 2005
Slang word for smoking weed.
I played so much half life last night that I found reality!
by pelicanjed January 24, 2003

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