Man Tipping Hand on Discord

What it signals here

server usage

Used in general chats when someone is smugly correcting others or playing the role of the all-knowing server regular.

reaction use

Added as a reaction to messages where someone states something obviously wrong or makes a claim that's about to get fact-checked.

emote mapping

Custom Discord emotes often feature this pose with server-specific characters; maps to ':InfoDesk:', ':SassyBoy:', or ':JustSaying:' type custom emotes.

gaming context

In gaming servers, used when a veteran player is condescendingly explaining basic game mechanics to a newcomer — 'allow me 💁‍♂️'.

role meaning

Sometimes appears next to 'helper' or 'moderator' role displays ironically, or self-assigned by members who see themselves as the unofficial server experts.

See it elsewhere