русорез

Etymology
.

Attested since 2007 by the nationalist writer Konstantin Krylov referring to people who murder ethnic Russians, as a bogeyman in Russian nationalist discourse. Popularized during the 2022 invasion of Ukraine by Ukrainian Internet users as an Internet meme against Russian soldiers, in mockery towards pro-invasion supporters.

Noun

 * 1) slaughter, destruction, or killing of ethnic Russians
 * 2) one who murders ethnic Russians

Usage notes
In the original sense, it was also extended to actions considered harmful to ethnic Russians or Russian nationalists, such as "creation of ethnic battalions in the republics", decreasing ethnic Russian majorities by migrants, and a military order leading to the deaths of mobilised soldiers.