OTW is long-running internet slang for on the way, the message you send when you are about to leave, already late, or promising to arrive soon. It became a staple of texting and group chats in the 2010s and spread into short-form video, where a spoken or stylised OTW works as a punchline for travel fails, late arrivals, and last-minute plans. Because the joke relies on the phrase rather than a specific source clip, this sound stays flexible: it can stand in for any moment where someone is supposedly en route.