The line comes from AMC's Breaking Bad, the 2008 to 2013 drama following chemistry teacher turned kingpin Walter White, played by Bryan Cranston. In the show's later seasons Walt frequently begs friends, family and partners to listen before one more disastrous pitch, and this pleading delivery became a favorite reaction clip. It spread through soundboard sites and meme edits as shorthand for doomed confidence, resurfacing whenever creators want to frame a terrible idea as a last-ditch plea.