Sahih al-Bukhari 5789
صحيح البخاري#5789SahihNarrated Abu Huraira:The Prophet (or 'Abul Qasim) said, "While a man was walking, clad in a two-piece garment and proud of himself with his hair well-combed, suddenly Allah made him sink into the earth and he will go on sinking into it till the Day of Resurrection
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 77:7