Half-life

1. The time taken for the radioactivity of a specified isotope to fall to half its original value. the time required for any specified property (e.g. the concentration of a substance in the body) to decrease by half.
2. One of the best video games you could ever play along with Portal.

Scenario1: "Iodine-131 has a Half-life of 8.1 days"
Scenario2: I love Half-life, the story and gameplay is just mind blowing!

half-life

great fucking game made by valve in 1999 I think

I play half-life
I do too

Half life

Finally I have half life gordon freeman x gman is real

Gordon: THE HALF LIFE IS REALLL
alyx: gordon please you've been saying that for 4 hours

Half life

Game of the year 1998

I love half life

Half Life

Best fictional masterpiece of all time

"Half life is the best fictional masterpiece of all time"

Cool life...

What you say when something disappointing or aggravating happens.

Jane: *trips and spills coffee all over her new dress*
John: HAHAHAHA!
Jane: *sigh* cool life...

LIFE GUARDING

when a man cums on another man or women's nose.

"LIFE GUARDING" my boyfriend said he was gonna give me a facial but he came on my nose and was life guarding me