It wasnarrated that Ibn 'Umar said:
"A man stood up and said to theProphet (ﷺ): 'O Messenger of Allah! What makes Hajj obligatory?'Hesaid: 'Provision and a mount.' He said: 'O Messenger ofAllah, what isthe (real) Hajj?' He said: 'The one withdishevelled hair and noperfume.' Another (man) stood up and said:'O Messenger of Allah, whatis the (real) Hajj?' He said:'Raising one's voice and slaughteringthe sacrificial animal.'" (FR)
English reference (FR): Vol. 4, Book 25, Hadith 2896 (FR)
Arabic reference (FR): Book 25, Hadith 3008 (FR)