(US) to communicate one’s intentions, usu. inadvertently.
|Fighting Blood 72: You got a heart and you can sock! [...] but you telegraph the other guy everything you’re going to do.|
|Female Convict (1960) 29: She would telegraph to Frenchy the exact cards held by her opponents.|
|DA].Hunky Johnny 68: Christ, he telegraphs every curve he throws [|
|L. A. Times 7 May [comics] 13: He doesn’t throw that right fast enough. He telegraphs it [DA].|
|Complete Guide to Gambling.|