The clip comes from iDubbbz, the YouTube creator behind iDubbbzTV, whose deadpan humour helped turn short lines from his videos into reusable reaction sounds. 'Hey, that's pretty good' spread because the delivery works in two directions, as real praise for something well done and as dry sarcasm for something mediocre presented proudly. As meme editing moved to shorter formats, the line became a handy punchline that needs no setup, and it remains popular on gaming, montage and reaction edits where timing matters more than explanation.