Ultimate Tongue Twister Discovered

Despite having to use it almost daily at work, I always have trouble with: “Synthesis.”

ookpik, you stumbled on one I’ve heard before: “Girl Gargoyle, Guy Gargoyle”

The way I heard Cybersnark’s was:
“I’m not the pheasant plucker, I’m the pheasant plucker’s son, and I’m only plucking pheasants til the pheasant’s plucking’s done.”