Deuteronomy 32:33

Their wine is the poison of dragons, the cruel poison of snakes.

Psalm 58:4

Their poison is like the poison of a snake; they are like the adder, whose ears are shut;

Job 20:14-16

His food becomes bitter in his stomach; the poison of snakes is inside him.

Psalm 140:3

Their tongues are sharp like the tongue of a snake; the poison of snakes is under their lips. (Selah.)

Jeremiah 8:14

Why are we seated doing nothing? come together, and let us go to the walled towns, and let destruction overtake us there, for the Lord our God has sent destruction on us, and given us bitter water for our drink, because we have done evil against the Lord.

Romans 3:13

Their throat is like an open place of death; with their tongues they have said what is not true: the poison of snakes is under their lips:

Treasury of Scripture Knowledge

Summary

Their wine is the poison of dragons, and the cruel venom of asps.

Bible References

The poison

Job 20:14
His food becomes bitter in his stomach; the poison of snakes is inside him.
Psalm 58:4
Their poison is like the poison of a snake; they are like the adder, whose ears are shut;
Psalm 140:3
Their tongues are sharp like the tongue of a snake; the poison of snakes is under their lips. (Selah.)
Jeremiah 8:14
Why are we seated doing nothing? come together, and let us go to the walled towns, and let destruction overtake us there, for the Lord our God has sent destruction on us, and given us bitter water for our drink, because we have done evil against the Lord.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain