godan verb (-ru), intransitive verb
Slang used in video game contexts, derived from the English 'lag'. Describes network delay causing stuttering or slow response.
See also: ラグ
回線が悪くて、ゲーム中にラグってしまった。
My connection was bad, so I lagged during the game.
ラグると敵が突然ワープしたように見える。
When it lags, enemies look like they suddenly warp.