pgtbh Share definition Flag "Probs Geezer To Be Honest"A sarcastic phrase used to call out someone's bullshit Jacob: "I've been working out for a few weeks, I'm getting so fucking tonk" Isaac: "PGTBH" pgtbh by lego t-s October 24, 2016 0 0 Get merch Get the pgtbh mug. Buy Now — $32.95 See more merch