have [done etc.] more than has had hot dinners
have [done/seen/had etc.] more something than somebody has had hot dinners(British & Australian)
to have done, seen, had etc. something many times, so that you have had more experience of it than the person you are talking to Young man, I've been to more football matches than you've had hot dinners, so you don't have to explain the rules of the game to me.