From the RuneScape Wiki, the wiki for all things RuneScape
A player doing the Shrug emote.
Shrug is a default emote, and all players can use it. Muted players used it mainly as their only way to communicate until the Quick chat updates.
A player doing the Shrug emote before it was updated.
- This emote is the shortest emote in the game, at 1.7 seconds.