Answer: SUNDAYPUNCH

AnswerCrossword Clue
SUNDAYPUNCHKnockout blow, perhaps
SUNDAYPUNCHKnockout blow
SUNDAYPUNCHGeorge Foreman weapon
SUNDAYPUNCHBoxer's knockout blow
SUNDAYPUNCHMighty blow.
SUNDAYPUNCHWeekend libation?
SUNDAYPUNCHCrushing blow