When you humble brag for more than 3 minutes at a time.
"That smugtentious photographer took a bunch of black and white photos of an old homeless man outside his loft in Brooklyn and probably didn't even give him a fucking banana or mineral water or quinoa for his time. Fuck that guy."
"Would you think I'm being smugtentious if I talked about my new political party?"
"No one wants to join your smugtentious cooperative, ok?"