Hadith 33

Bulugh al-Maram

Book 1: The Book of Purification

Chapter 3

The Cleansing of Najasah and its nature

باب إزالة النجاسة وبيانها

Bulugh al-Maram 28
وَفِي لَفْظٍ لَهُ: { لَقَدْ كُنْتُ أَحُكُّهُ يَابِسًا بِظُفُرِي مِنْ ثَوْبِهِ } 1‏ .‏
In yet another version of Muslim:

Verily! I (‘Aisha) used to scrape it (the semen) off his garment with my nails while it was dry.