Tight D Guy Share definition Flag A guy who plays defense in basketball with a level of intensity far too intense for everyone else in the game. After realizing I was being guarded by Tight D Guy I decided to fake an injury and leave the game. Tight D Guy by hngryDavy October 5, 2010 0 0 Get merch Get the Tight D Guy mug. Buy Now — $32.95 See more merch