I think not. The accurate word is probably TACK, meaning that the judge used a different course of action with this particular case. My Word Perfect checker refuses to even try pooh-bah, but this is a term you often hear but seldom read. The writer may have typed PUBA, for example. The first phonetic spelling you think of for a slangy term may not be correct.
Modern usage prefers second, third, and so on.
Yes, you know the subject forward and back, but if you try to ad lib you probably won't succeed. Prepare an outline and stick to it. Know your topic, be confident, display professionalism. Use your own style, and don't try to imitate anyone. Don't read your presentation unless you are giving a direct quote.