American & Australian a man who is physically very strong and can work hard for a long time.
He likes to think of himself as some sort of iron man who doesn't need sleep like the rest of us.
(redirected from an iron man)
iron man
One who is in peak physical condition and thus is rarely sick or injured. Marty has played in 500 straight games—he's a real iron man.With an iron man like Jack helping us move all this equipment, I think we'll be done in an hour.