Noun
a neurochemical occurring naturally in the brain and having analgesic properties
Source: WordNet(On creating) And you get that little endorphin buzz, it's great. Why do you think Einstein looked like that? I don't think he was going "You know this is some dynamite weed! It's all relative you know." Robin Williams
I did get a huge endorphin rush when I was able to crack a system because it was like a video game. Kevin Mitnick
He's been running to keep his endorphin levels high, but then he trips and hurts his back, making running impossible. Source: Internet
The finale, the explosion of sparkles and rainbows, the endorphin high every romance hopes to spark in its readers. Source: Internet
Which is really important, because it’s involved in endorphin release and dealing with pain. Source: Internet