مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3127
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn ‘Abbas (رضي الله عنه) said The Messenger of Allah (ﷺ) cursed - Hajjaj said: May Allah curse - men who imitate women and women who imitate men.
Musnad Ahmad 3151Its isnad is saheeh, al-Bukhari (5885)]