reunion, n.All

A Reunion is a meeting where your old classmates a so grey and wrinkled and bald that they don't recognise you.

A: I just ran into a guy I haven't seen in 20 years.B: That's nothing. I just ran into a guy I never saw before in my life

A Reunion is an event where your classmates have all gotten so fat and bald they don't even recognize you.

A Reunion is when you meet people your own age who all look a lot older than you.