"I heard the Messenger of Allah being asked about touching the penis. He said: 'That does not require ablution, because it is a part of you (your body).'"  

سَمِعْتُ رَسُولَ اللَّهِ ﷺ سُئِلَ عَنْ مَسِّ الذَّكَرِ فَقَالَ لَيْسَ فِيهِ وُضُوءٌ إِنَّمَا هُوَ مِنْكَ  

"The Messenger of Allah was asked about touching the penis and he said: 'Rather it is a piece of you (your body).'"  

سُئِلَ رَسُولُ اللَّهِ ﷺ عَنْ مَسِّ الذَّكَرِ فَقَالَ إِنَّمَا هُوَ حذية مِنْكَ