full throttle vs like a rat up a drainpipe

full throttle

adv

  • All out; at maximum speed, effort, or risk. 

noun

  • A maximum setting on an engine or motor control. 

  • A maximum level of speed, effort, or risk. 

like a rat up a drainpipe

prep

  • Very rapidly. 

How often have the words full throttle and like a rat up a drainpipe occurred in a corpus of books? (source: Google Ngram Viewer )