This is that classic two-note truck horn that goes up and down, the kind you hear on delivery trucks and moving vans. People throw it in memes and edits all the time to add some comedic timing or to announce something ridiculous.
This is that classic two-note truck horn that goes up and down, the kind you hear on delivery trucks and moving vans. People throw it in memes and edits all the time to add some comedic timing or to announce something ridiculous.