June 1 1970
that's a way of saying using slang: 'a [alcohol-fuelled] party for meeting again and parting again'
As-tu des oncles et des tantes means: 'do you have (any) uncles and aunts?'
des sourires et des embrassades = smiles and kisses vous : you
tu as des frères et des soeurs means 'do you have any brothers or sisters' - you can reply for instance: je n'ai ni frère ni soeur (I have neither brother nor sister) j'ai un (deux, trois, quatre)...