“Feel Like a Sir”, also known as “like a sir”, is a catchphrase and rage comic character used to convey elegance, wealth and class. It is associated with Victorian styles like wearing a top hat, monocle or various types of mustaches, similar to characters portrayed in Verbose Memes image macros.
Shown are a few examples/pictures of people that many people think look like "sir's"
Sir Austen Chamberlain
Sir Louis-Napoleon Casault
Actor Caillou Pettis disguised as a "Sir".