(slang) A dose of a drug to be snorted. Here, "drug" includes snuff (i.e., pulverized tobacco). A snort also may be a drink of whiskey, as "Let's have a snort".
“Arjuna was deep in meditation when he heard a loud snort. He ignored it and continued with his meditation. But then the snort grew louder. The snort was coming towards him.”
“The public rightly snort in derision at high-flown cant about press freedom while scoundrels brandish quotes from Milton and Orwell as cover to do as they please.”
“Harvey Stoner only snorted and I wished the scoundrel would snort his drink down the wrong gullet.”