Answer: notip

AnswerCrossword Clue
NOTIPInept waiter's comeuppance
NOTIPWhat a stiffed server receives
NOTIPResult of bad service
NOTIPWhat a surly server may get
NOTIPPoor service penalty, possibly
NOTIP"Reward" for poor service
NOTIPWaiter's worry
NOTIPResult of poor service
NOTIPAftermath of service faults
NOTIPBad-service result
NOTIPUpshot of poor service
NOTIPResult of being stiffed
NOTIPWhat a dissatisfied diner may decide to leave
NOTIPUpshot of bad service, maybe
NOTIPResponse to poor service
NOTIPSurly server's penalty
NOTIPResponse to waiting too long for someone who's waiting?
NOTIPSurly server's comeuppance
NOTIPAngry diner's decision
NOTIPResponse to bad service
NOTIPDissatisfied diner's decision