던진다

Intentionally playing badly or giving up mid-game — sabotaging your own team's chances of winning. From 던지다 (to throw). In gaming culture, 던진다 means you've mentally checked out and are actively ruining the match.

던진다 = to throw (from '던'지다) — direct translation of English gaming slang "throw," adopted into Korean gaming culture as is.

See also: 빡종, 트롤, 탈주, 응 이판 져도 돼