Origin of quislingafter V. Quisling (1887-1945), Norwegian politician who betrayed his country to the Nazis and became its puppet ruler
Origin of quislingAfter Vidkun Quisling (1887-1945), head of Norway's government during the Nazi occupation (1940-1945)
- (pejorative) A traitor who collaborates with the enemy.
1940, after Vidkun Quisling (1887-1945), who ruled the Nazi collaborationist government of Norway during World War Two. Romanization of the Danish place name Kvislemark.