An acronymn meaning: Play That Mother Fucking Urge Shit! This is in reference to the band The Urge, a kick ass ska band out of St. Louis that broke up.
Guy1: "I have this Panic at the Discocd - wanna listen to it?"
Guy2: "Fuck that, they suck ass. PTMFUS instead!"
Guy1: "Fuck yeah!"
Incidentally, PMFB, back in 1997 I transcribed an interview with designer Norma Kamali and posted it to the "Web log" of my company's site (Spa Thira) which I had just launched.