The term 'TEH' originated as a common typographical error for 'the,' but quickly evolved into a hallmark of early internet slang known as l33t speak. It gained massive cultural traction during the mid-2000s, primarily through the LOLcat phenomenon where misspelled captions added to the charm of feline photos. Often used in phrases like 'Teh Lulz' or 'Teh Epic Fail,' it represents a specific era of web culture defined by 4chan, imageboards, and the birth of modern meme aesthetics. Today, the TEH meme serves as a nostalgic nod to the chaotic, unpolished roots of digital humor.