KIF, a herb something like hemp, produces this effect on the brain.
"In the Tail of the Peacock"
Isabel Savory
"But KIF me the ledder," said the German gentleman, holding out his hand toward Coconnas, who hesitated.
"Marguerite de Valois"
Alexandre Dumas
Many have died of KIF, a KIF that is more violent than opium.
"Atlantida"
Pierre Benoit