jelq maxer

"Jelq Master: noun. A person who has mastered the ancient art of 'pulling one's penis shaft' so effectively that they could probably convince you it's a fitness technique of enlarging.

Person A: "Hey, did you hear about John? He's become a real jelq maxer."
Person B: "Oh really? Is he into some jelqing program now?"
Person A: "Nah, turns out he's just really good at convincing people to lend him jelq sessions."