Matthew 26:48-49

now he that was to betray him, gave them this signal, the person I shall kiss, is the very man, be sure to secure him.

Luke 22:47-48

Before he had done speaking, the company appears, Judas one of the twelve marching in front, who advanc'd to Jesus to give him a kiss.

Treasury of Scripture Knowledge

Summary

And Joab said to Amasa, Art thou in health, my brother? And Joab took Amasa by the beard with the right hand to kiss him.

Bible References

To kiss him

Matthew 26:48
now he that was to betray him, gave them this signal, the person I shall kiss, is the very man, be sure to secure him.
Luke 22:47
Before he had done speaking, the company appears, Judas one of the twelve marching in front, who advanc'd to Jesus to give him a kiss.