Last Sip Share definition Flag The last sip of any drink that is being consumed should always be poured out. This is a sacrifice we make to commemorate the boys. “Don’t forget to pour that last sip out for the boys!” Last Sip by Thingsisayalot September 11, 2019 0 0 Get merch Get the Last Sip mug. Buy Now — $32.95 See more merch