Raised Back Of Hand: Dark Skin Tone on Discord

What it signals here

server usage

Used in general or off-topic channels to signal 'pause this topic' or 'I'm leaving this debate.'

reaction use

Added as a reaction to messages that are going too far or off-topic.

emote mapping

Mapped to custom server emotes like :stophand: or :nope: in many community servers.

gaming context

Used humorously when a teammate makes a terrible in-game decision: 'bro what was that 🤚🏿'

role meaning

Sometimes assigned to moderator or admin roles as part of a 'boundary enforcer' identity.

See it elsewhere