Definition of goodluck

(Peter J. White, "Report on Laos"...)

The din was successful , too , for just before the moon disappeared , the frightened toad had begun to spit it out again , which meant good_luck all around .

(Donald J. Plantz, Sweeney Squadron....)

The expression was his trade-mark , his open_sesame to good_luck , and his prayer that pilot and plane would always return .