railbird noun2 •A rail or similar bird •(US, slang) A gambler; originally specifically a horseracing enthusiastHe earned it one night at Chelsea Billiards in New York, where he knocked off Eddie Hubler, a.k.a. Kid Vicious, winning $4,200 from railbirds who were certain that the fat kid from Jersey had no game. — 2007 formsrailbirds
