get in vs hop on

get in

verb
  • Used other than figuratively or idiomatically: see get, in. 

  • To be elected to some office. 

  • To become dark earlier as a result of seasonal change; to draw in. 

  • To enter a place; to gain access. 

  • To get into or inside something, literally or figuratively. 

  • To secure membership at a selective school. 

  • To arrive. 

intj
  • An exclamation of joy at one's success. 

hop on

verb
  • Used other than figuratively or idiomatically: see hop, on. 

  • To begin playing a video game. 

  • To join a phone call or video call. 

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