For those curious, they're called "punaise de lit", which literally translate to "bed stinkbug", because technically they are the same family as stinkbugs.
Fun fact, stinkbug is also the word used for thumbtacks. Couldn't find a reliable source on why though.
The person who made the actual announcement attached a video of exactly that: https://meta.discourse.org/t/activitypub-plugin/266794/117