Crossword clues for ...bump on ___ 4 letters:BUMPTwo-fisted greetingBUMPDemote: Colloq.BUMPSign suggesting slowingBUMPStrike slightlyBUMPJolt.BUMPThank-you-ma'amBUMPSpeed reducerBUMPKick off the flightBUMPCar slowerBUMPDislodge, so to speakBUMPUnseatBUMPHit against.BUMPPhrenologist's concern.BUMP___ into (encounter).BUMPRoad warning signBUMPSpeed ___ (traffic-calming device)BUMPHighway warning signBUMPSpeed deterrentBUMPCollide withBUMPMeet, with "into"BUMPLog featureBUMPRoad flawBUMPSmall salary increaseBUMPDeprive of a seatBUMPMotoring hazard.BUMPRoad sign.BUMPKnock againstBUMPLight collision.BUMPPromote or demoteBUMPRoad imperfectionBUMPCause for an apologyBUMPRaise, in pokerBUMPPhrenologist's interestBUMPCompete in a demolition derbyBUMPPreempt, as on a talk showBUMPCollide, with "into"BUMPRoad bulgeBUMPSpeed __BUMPMinor collisionBUMPTraffic slowerBUMPJostleBUMPIncreaseBUMPPush slightlyBUMPResult of bonking one's headBUMPDislodgeBUMPMinor accidentBUMPDisplaceBUMPMinor impactBUMPUptickBUMPParking-lot mishap