Look, we're not going to pretend we know what this is or why it exists, but it is quite possibly the most baffling video the SFMTA has produced since they decided to give Professor Muni tenure at the Muni-versity of San Francisco.

Set to the tune of that unavoidable Halloween earworm that shall not be named, the "Muni Mash" is a dance number (we guess?) that reveals seat hogs for what they truly are: Monsters. We're sorry in advance:

[h/t: Greg Dewar]