Early in Dustin Poirier's career his hair was in a buzzcut, but at some point he grew his hair a bit and added a little bit of style, saying that one advantage he has over his opponents is that his hair is "Salon Quality". UFC fans believe Poirier has performed better since receiving his new haircut, and have nicknamed the new iteration of Dustin "Salon Quality Poirier".
Dustin Poirier: "I'm a better boxer, I can scramble better, better Jui Jitsu, longer, faster, I can dance better, better looking, my hair is salon quality."
UFC Fight Night Calgary: Camino al Octágono
"Skinny White Boy with One-Punch Knockout Power" is a reference to UFC 135-pounder Sean O'malley. He is tall and lean for the division, but has some of the most devastating walk-off knockouts in UFC history.
Derp: "Why do people like O'malley so much?" Derp2: "Because he's a skinny white boy with one-punch knockout power. His fights are exciting - you never know when he's going to drop his opponent."
Skinny White Boy with One-Punch KNOCKOUT Power | Fight Words
The "Shadow Realm" is a place fighters go when they get knocked unconscious.
When a MMA referee allows a fight to go on while one fighter is being beaten badly, fans say the ref is letting the fighter be a warrior. The idea is that although a fighter is being dominated they are fighting on, which makes them "a warrior", while many fans believe the ref should step in a stop the fight. The phrase originated referee Mario Yamasaki was asked about why it took so long for him to stop a one-sided beating between Valentina Shevchenko and Priscila Cachoeira, he said he was "letting her be a warrior."
Dude, the fight is a one-sided beating, the ref should stop the fight. No, he's just letting her be a warrior.
Mario Yamasaki's Last UFC Appearance
To fight at a faster pace than your opponent can maintain, tiring them out. Nick Diaz is a fighter known to weaponize pace. His training involved lots of cardio, so he was able to have higher output than his opponents during fights, often successfully tiring them out and overcoming them.
"Poirier has never been given credit for his ability to weaponize pace. Dustin's former opponents will talk about how hard and in your face Poirier is." - Chael Sonnen
At the the UFC 202 weigh-in face off, Mike Perry offered a handshake to his opponent Hyun Gyu Lim, removing his hand at the last second and yelling "You Thought You Had a Friend Boy!". The phrase has become popular among fans.
Mike Perry yelling at Hyun Gyu Lim during their UFC 202 face-off: "You thought you had a friend boy!!!! Aghhhhhhhhh!"
You thought you had a friend boyyy!? AAAAAAAAAAAAAA
Dana White commonly calls people "Goof" and so the nickname has stuck to him. He is now known as "The Goof".