(25) باب اللِّعَانِ
Narrated Sahl:
Allah's Messenger (ﷺ) said, "I and the one who looks after an orphan will be like this in Paradise," showing his middle and index fingers and separating them.
Reference: Sahih al-Bukhari 5304
In-book reference: Book 68, Hadith 53
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 63, Hadith 224