A human wave tactic, typical used by countries with large populations once they run out of armor and are too stubborn in war.
Used extensively in the Ukraine war after the first 3 weeks in the battle of avdiivka.
Used extensively in bakhmut by Wagner and storm Z.
World War 1 trench assaults were quite literally a war about this as a whole.
Used by the Chinese in the Korean war.
TL;DR you have millions of men and life is cheap to your command so they throw you with minimal training.
The Russians are running low on Armor and have sent wave after wave of Meat Assaults after running out of Armor in the area, Life is cheap.
Russian war tactic to sacrifice many soldiers to achieve little in war success. Like: 200 dead soldiers for acquiring 1km2 territory. The tactic is widely used in war with Ukraine.
Meat in Russian language is a slang term for cannon fodder , here's the term.
Russians lost 1000 soldiers in one day during meat assault in Avdeevka