About those unicorns: Kesha loves animals, and fairy-tale animal costumes also appear in her later music video "C'mon" to show this.
"Drink that Kool-Aid follow my lead" refers to the 1978 Jonestown incident, following a leader without question, even to destruction.
"Dirt and glitter cover the floor" in the lyrics. Kesha also sang about "there's glitter on the floor" in her hit the previous year, "Take It Off," so the idea is fascinating to her.
Ranked #68 on Billboard's list of the Greatest Music Videos of the 21st century.