On Sunday, after the 36-year-old held off Jim Furyk at Oak Hill en route to his first major victory, golf fans across the country took to social media to congratulate him in the spirit of that famous photo.
Folks were Dufnering around the house..
— Andrew Washicheck (@waz3355) August 12, 2013
And on the links..
Dufnering at work..
Or even on vacation..
It wasn't just humans getting in on the action..
And whatever this is..