There would be a flag for every perfidious person on the Day of Judgment by which he will be recognised.
Sahih Muslim Book 32, Hadith 17
← Previous Hadith There will be for every perfidious person on the Day of Judgment a flag by which he will be recognised. It will be announced: Here is the breach of faith of so and so.

Sahih Muslim Book 32, Hadith 16 Next Hadith → On the Day of Judgment there will be a flag fixed behind the buttocks of every person guilty of the breach of faith.

Sahih Muslim Book 32, Hadith 18