The origin
A father uploaded a home video of his one-year-old son biting his three-year-old brother's finger, originally to share with family.
How it spread
It became the most-viewed video on YouTube from 2009 to 2012 without any promotion.
What it means
The purest form of viral: no joke construction, no format, just a moment people kept resending.
Follow the source
Short editorial summary written by Random Access Memes from the sources above; the wording is ours, not theirs. Every link was checked for a live response on September 13, 2026.
