The phrase comes from Russian internet slang, where sho is a casual form of cho meaning what or that, and the full line is used as a joke accusation rather than a literal claim. Tagged online with pug and robot references, this meme clip spread as a short soundboard reaction for chats and edits. Its appeal is the contrast between an ordinary comment and the absurd idea that the speaker is secretly a machine, a gag that stays popular for teasing automated sounding replies.