The act of pulling your penis out of the vagina to prevent premature ejaculation.
You twiddle your penis around whilst it is "cooling down" and resume your normal routine be re-inserting it in the vagina.
Your friend: "So how long did you last yesterday with her?"
You: "Man I would've finished up within 5 minutes, but thanks to the Twiddle Technique I held on for half an hour!"
Your friend: "Damn I'll have to try that dude"