Noun: Anything that is confusing, or meant to cause confusion.
Verb: To Confuse
Here are some common Xzyzxs for you
Noun: Xzyzx is a xzyzx.
Noun: Hot Topic doesn't sell Tripp Pants anymore, what a xzyzx.
Command: Don't xzyzx me!
Future: Don't think too hard, it will xzyzx you.
Past Tense: I was so xzyzxed last night.
Present Progressive: This is so xzyzxing.
Present Tense: You're trying to xzyzx me.
Past Participle: That lesson on anarchist communism was really xzyzxing.