To “open the lips” is to begin to speak (Job 11:5).
The “fruit of the lips” (Hebrews 13:15) is praise.
To “shoot out the lip” is to manifest scorn and defiance (Psalm 22:7).
Many similar forms of expression are found in Scripture.
Besides its literal sense (Isaiah 37:29, etc.), “lip” is used in the original (saphah) metaphorically for an edge or border, as of…
- a cup (1 Kings 7:26)
- a garment (Exodus 28:32)
- a curtain (26:4)
- the sea (Genesis 22:17)
- the Jordan (2 Kings 2:13).