Irvine Welsh 
State of the Party (Storycuts) [EPUB ebook] 

Calum’s evening gets off to nostalgic start when a childhood friend, now a junkie, wanders into the bar. His drinking partner, Crooky, has procured some hits of acid, and the trio head off in search of a party. However, their trip goes badly wrong and the morning brings with it a bleak comedown.Part of the Storycuts series, this story was previously published in the collection Reheated Cabbage.