Zonked
British SlangDefinition
Extremely tired or completely out of it, often due to exhaustion, alcohol, or drugs.
Examples
"After pulling an all-nighter for uni, I was completely zonked and crashed as soon as I got back to my flat."
"We stumbled home from the pub absolutely zonked after one too many pints."
"Those strong painkillers left me properly zonked; I could barely keep my eyes open."