staggering vs with legs like jelly

staggering

adj
  • Lurching, floundering. 

  • Incredible, overwhelming, amazing. 

noun
  • The motion of one who staggers. 

  • The condition of being staggered or amazed. 

  • In animation, the repetition of a sequence of frames to show struggling effort 

with legs like jelly

How often have the words staggering and with legs like jelly occurred in a corpus of books? (source: Google Ngram Viewer )