Zaghrouta is an Arabic name for a form of ululation performed during moments of joy and celebration. It is especially associated with weddings, engagements, successful milestones, and welcoming honored guests in communities across the Middle East and North Africa. Short recordings of the vocal trill circulate online as reaction audio because the meaning is immediately recognizable to many listeners. The sound remains useful in social videos, family edits, and memes whenever a creator wants to signal enthusiastic approval or a festive occasion.