Phamburst Share definition Flag a loud, sudden, unpredictable outburst involving a raised index finger (usually in the middle of a class), and the words "indeed" or "glorious" "Indeed, that was a glorious nap!!!!" yells Pham "dude, hold the phambursts" (any nearby person) Phamburst by tpstudent May 14, 2009 0 0 Get merch Get the Phamburst mug. Buy Now — $32.95 See more merch