She gave the beard a sharp tweak, then stepped back.
Martin the 'little favourite', gives the ball a real tweak.
"I haven't even done anything to you," he whispered back, giving her a tweak.
They may well love the new baby, but that doesn't stop them giving it a tweak when your back is turned.
Then he reached up, gave the tip of her right breast a tweak - not a very friendly one, either - and walked away.
And let me give you a tweak or two, I bet you'd grow right out of it.
And now a few modern designers are giving tradition a tweak.
Most risk-takers are the people new to the industry, the others just take the recipe and give it a tweak.