barrel vs step on it

barrel

verb
  • To move quickly or in an uncontrolled manner. 

  • To put or to pack in a barrel or barrels. 

  • To assume the shape of a barrel; specifically, of the image on a computer display, television, etc., to exhibit barrel distortion, where the sides bulge outwards. 

noun
  • The quantity which constitutes a full barrel: the volume or weight this represents varies by local law and custom. 

  • The part of a clarinet which connects the mouthpiece and upper joint, and looks rather like a barrel (1). 

  • A waste receptacle. 

  • A round (cylindrical) vessel, such as a cask, of greater length than breadth, and bulging in the middle, made of staves bound with hoops, and having flat ends (heads). Sometimes applied to a similar cylindrical container made of metal, usually called a drum. 

  • The ribs and belly of a horse or pony. 

  • A ceiling-mounted tube from which lights are suspended. 

  • A solid drum, or a hollow cylinder or case 

  • The hollow basal part of a feather. 

  • A metallic tube, as of a gun, from which a projectile is discharged. 

  • A wave that breaks with a hollow compartment. 

  • Any of the dark-staining regions in the somatosensory cortex of rodents, etc., where somatosensory inputs from the contralateral side of the body come in from the thalamus. 

  • Such a cask of a certain size, holding one-eighth of what a tun holds. (See a diagram comparing cask sizes.) 

  • A statistic derived from launch angle and exit velocity of a ball hit in play. 

step on it

verb
  • To act quickly. 

  • To drive fast; to step on the accelerator. 

How often have the words barrel and step on it occurred in a corpus of books? (source: Google Ngram Viewer )