Sheldon Lee Cooper is the socially awkward theoretical physicist played by Jim Parsons in the sitcom The Big Bang Theory, which ran from 2007 to 2019. Fans clipped many of his blunt lines for reaction videos because his serious delivery contrasts sharply with everyday situations. This 'you dawg' moment follows that pattern, turning familiar slang into something that sounds oddly formal in his voice. It continues to circulate in edits and soundboards where viewers instantly recognise Sheldon from the phrasing and tone alone.