There are levels of viral:
A video is considered mildly viral if it is on track to receive 10,000 views in 30 days.
A video is considered somewhat viral if it is on track to receive 50,000 views in 30 days.
A video is considered moderately viral if it is on track to receive 100,000 views in 30 days.
A video is considered fully viral if it is on track to receive 500,000 views in 30 days.
A video is considered epically viral if it is on track to receive 1,000,000 views in 30 days.