Job 20:16

He shall suck the poison of asps: the viper's tongue shall slay him.

Deuteronomy 32:24

They shall be burnt with hunger, and devoured with burning heat, and with bitter destruction: I will also send the teeth of beasts upon them, with the poison of serpents of the dust.

Isaiah 30:6

The burden of the beasts of the south: into the land of trouble and anguish, from whence come the young and old lion, the viper and fiery flying serpent, they will carry their riches upon the shoulders of young asses, and their treasures upon the bunches of camels, to a people that shall not profit them.

Matthew 3:7

But when he saw many of the Pharisees and Sadducees come to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come?

Acts 28:3-6

And when Paul had gathered a bundle of sticks, and laid them on the fire, there came a viper out of the heat, and fastened on his hand.

Romans 3:13

Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips:

Treasury of Scripture Knowledge

Summary

He shall suck the poison of asps: the viper's tongue shall slay him.

Bible References

The viper's

Isaiah 30:6
The burden of the beasts of the south: into the land of trouble and anguish, from whence come the young and old lion, the viper and fiery flying serpent, they will carry their riches upon the shoulders of young asses, and their treasures upon the bunches of camels, to a people that shall not profit them.
Matthew 3:7
But when he saw many of the Pharisees and Sadducees come to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come?
Acts 28:3
And when Paul had gathered a bundle of sticks, and laid them on the fire, there came a viper out of the heat, and fastened on his hand.

King James Version Public Domain