Listed online as Sauna - Risada Enfadonha 3, this is the third variant in a small set of Portuguese titled boring laugh clips shared on soundboards. The name describes its tone rather than a known movie, show, or performer, and no confirmed original recording or year is attached to it. It spread as a quick reaction sound for chats and short video edits, where creators needed a laugh that signals the opposite of amusement. Its lasting appeal is that deadpan chuckle, useful whenever a moment deserves mockery instead of genuine laughter.