Come on and Hit upon

Come on interjection - How surprising, doubtful, or unbelievable.

Hit upon and come on are semantically related. In some cases you can replace term "Hit upon" with "Come on", this phrasal verbs are similar.

Hit upon verb - To come upon unexpectedly or by chance.

Come on and hit upon are semantically related. Sometimes you can replace term "Come on" with "Hit upon", this phrasal verbs are similar.