To fuck up a relationship by being stupid or to say or do something fucking stupid. Could also be described as dating multiple people after eache other.
Or to Iron Maiden something - When someone in a band (or on some occassions all band members in a band) wear their own band's t-shirt or merchandise at every gig they play, similar to how the British heavy metal band Iron Maiden appears dressed live.
In England, a jockey is facing a ban after “Zidaning” his horse with a head-butt. Paul O’Neill apparently took umbrage after the horse said some nasty things in Italian about his mother.
constantly look down at your phone for the whole duration of the lecture talking to someone with no interest in you the whole time only looking up when someone walks into the lecture hall or when the lecturer asks you a question
John: hey man what's up with josh
Charles: oh man don't worry he's zaiding