noun, noun or participle which takes 'suru'
rapidly moving avatar left and right to annoy others in online games
Slang abbreviation of シャア専用ゲルググのダンス (Char's custom Gelgoog dance), referring to a taunting behavior in multiplayer games where a player wiggles their character back and forth to provoke or irritate opponents.
敵を倒したあと、わざとシャゲダンして挑発した。
After defeating the enemy, he deliberately did the shagedan to taunt them.
あのプレイヤーはいつもシャゲダンしててうざい。
That player is always doing the shagedan and it's annoying.