swoop down on

swoop down (up)on someone or something

 
1. Lit. to dive or plunge downward on someone or something. The eagle swooped down upon the lamb.
2. Fig. [for someone] to pounce on and consume something. The children swooped down on the ice cream and cake.
See also: down, on, swoop
References in periodicals archive ?
It was a grand morning for observation but the sky overhead was covered with fleecy clouds which had formed into little pats and made an excellent cover for a plane flying above them to swoop down on the sausages.
However, the Royal Society for the Protection of Birds said that although the gulls had been known to swoop down on people during nesting time, they were not dangerous and would not actually make contact.