swoop up and squat down

Not to be confused with the grim "legalese" term for the infamous auto-insurance-fraud procedure, this phrase refers to a totally-positive-and-pleasant action that you employ while interacting with small children. It begins when an eager innocent-minded pint-size comes racing towards you at full speed with a big grin and his arms held out; you therefore hastily reach down and swoop up said hurtling youngster in your arms while simultaneously "doing a quick one-eighty pirouette" to rapidly swing him around with you, as well, so that he doesn't lose much of his accumulated momentum. You then swiftly squat down again and deposit him back on his feet so that he can continue running as if nothing had stopped him or even slowed him down much.