Crossword clues for Sign me up! 4 lettersAnswerClueSIGNTake the offerSIGNSpeak silentlySIGNWord after plus or minusSIGNRegister, with "up"SIGNRobin, vis- -vis springSIGNEndorse, as a checkSIGNTalk to the deafSIGNPosterSIGNCommunicate with a deaf personSIGNPut one's name on the line?SIGNTokenSIGNLeo, e.g.SIGNYIELD, for oneSIGNCourier's requestSIGNProtester's placardSIGNWith 62-Down, some account verificationsSIGNEndorseSIGNLet your fingers do the talkingSIGNMake it officialSIGNAgree to, in a waySIGNIndicatorSIGNHighway readingSIGNSeal the dealSIGNGive autographsSIGNSagittarius or ScorpioSIGN44 Across, e.g.SIGNTalk silentlySIGNWrite on the dotted lineSIGNValidate, in a waySIGNSTOP or ONE WAYSIGNUse ASLSIGNPut one's name down onSIGNSpeak manuallySIGNMake official, as a checkSIGNAuthorizeSIGNCommunicate manuallySIGNLibra or LeoSIGNAffix one's John HancockSIGNAries or TaurusSIGNOne of the Zodiac's 12SIGN+ or -, e.g.SIGNCertain language unitSIGNSomething flashed by a catcherSIGNGemini, e.g.SIGNOne for the roadSIGNHighway exit featureSIGNSymbol.SIGNUse AmeslanSIGNWhat a coach gives a base runnerSIGNWrite one's name on a contract