have (one) taped
To understand or know someone or something well and use that knowledge accordingly. Primarily heard in UK, Australia. I had you taped the minute you walked in here scowling. You're going to sit right here, in the front of the classroom.
have somebody/something ˈtaped
(British English, informal) understand somebody/something completely and have learned how to deal with them/it successfully: He can’t fool me — I’ve got him taped.