The 'Peter The Horse Is Here' meme originates from the Season 5 episode of Family Guy titled 'Bill & Peter's Bogus Journey.' In the scene, Lois calmly informs Peter that 'the horse is here,' followed by a jarring cut to a wide-eyed horse standing awkwardly in their bedroom. The meme gained significant traction on platforms like TikTok and Twitter due to its surreal humor and the specific, unsettling animation of the horse. It is typically used to represent a looming problem, an awkward social interaction, or a literal interpretation of a bizarre situation. The humor lies in the deadpan delivery of the line and the sudden, silent presence of the large animal in a domestic setting.