My favorite surprise joke. From experience, this works best if you tell it when you return from a trip without flagging that it's a joke + adjust it to fit the trip: Everything went fine until we got to the airport late in Barcelona. We ended up in the security line behind this Alice Cooper type, with piercings sticking out of his face, studs on his vest, tall zippered boots, the works. He goes through the detector and naturally the thing goes nuts. So he goes back around, takes out a few of the…