Read Genesis 35:14 / Exodus 29:40-41 / Numbers 28:7-10 / Numbers 28:14-15 / Numbers 28:24 / Numbers 28:31.
The Drink Offering was poured out upon an existing offering. Often a blood sacrifice was accompanied by both a Meal Offering and a Drink Offering. Because the Drink Offering is ‘poured out’ upon the existing offering, there is a thought of ‘wasting’ or ‘being wasted’. Matthew 26:6-8.
In Genesis 35:14, Jacob pours out a drink offering to signify he is giving his life back to God, consecrating himself for the house of God, ‘Beth-El’. Likewise, Aaron and his sons have just been consecrated, giving their lives for the Tabernacle service, so that God may have a dwelling place. Exodus 29:43-45.
For this to be valid there is a need, morning and evening, for daily offerings, including a lamb for a Burnt Offering, a Meal Offering and a Drink Offering. Twice daily, there is renewed consecration in the Tabernacle by the priests. This is a picture for us in our faith in the Lord Jesus Christ.
The apostle Paul spoke of himself being ‘poured out as a drink offering’ on the sacrifice and priestly service of the faith of the saints in Philippi. Philippians 2:17, as he contemplated the possibility of soon having his life ended on account of the Gospel.