Maalik bin Dinaar RA. says:
"Rasulullah Sallallahu 'Alayhi Wasallam never filled his stomach with meat and bread, except at the time of dafaf. I asked a badawi. 'What does dafaf mean?' He replied: 'It is to eat together with people". (FR)
English reference (FR): Book 50, Hadith 350 (FR)