all comers

all comers

Everyone who expresses an interest in being involved in or with something. Every club on campus has to accept all comers—no one is to be excluded.
See also: all, comer
Farlex Dictionary of Idioms.

all comers

anyone who chooses to take part in an activity, typically a competition.
1992 Al Gore Earth in the Balance He has traveled to conferences and symposia in every part of the world, argued his case, and patiently taken on all comers.
See also: all, comer
Farlex Partner Idioms Dictionary
See also:
  • comer
  • give (one) enough rope to hang (oneself)
  • give someone enough rope to hang themselves
  • themself
  • on the outside looking in
  • on the outside, looking in
  • in the dark about (something)
  • cross from (some place) to (some place)
  • cross from some place to some place
  • bring (someone) in from the cold
References in classic literature
It was open to all comers, said the proclamation, and none should be molested in their going and coming.
Robin Hood
He found that if he sat with the main door open he would enjoy the passing society of all comers to and fro by the gateway, and would have light enough.
The Mystery of Edwin Drood