WordWeb Online

1. Expression of encouragement
   "c'mon! You can still win";
   - come on
    
2. Expression of disbelief
   "c'mon! You must be joking";
   - come off it, come on, my foot
    
3. Exclamation to tell someone to be quicker
   - chop-chop, hurry up, come on, get a move on

Encyclopedia: C'mon, C'mon C'mon, Accept Your Joy! C'mon C'mon, Let's Live a Little C'mon, Let's Pretend C'mon, Everybody C'mon, Have A Go!