Half life friend

A friend that known for half of your life

Aiden and John are both half life friends of mine.

by Ironman99 October 15, 2022

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Hop on Half-Life Deathmatch

Slang for ball-biting wet gay oral sex, used commonly by old-school male gamers

Bert: Hey Matt, wanna Hop on Half-Life Deathmatch?
Matt: Sure.

by Cheeki von Breeki March 19, 2021

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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!

by Zach T. Radass December 20, 2022

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