catty-corner
Positioned diagonally from someone or something. This phrase can be used as an adverb and an adjective. Primarily heard in US. No, you know Mr. Lewis—his house is catty-corner to ours.
cattywampus
1. Crooked or out of alignment; askew. Your tie is all cattywampus. Here, let me fix it for you.
2. Situated diagonally from someone or something else. No, you know Mr. Jones—his house is cattywampus to ours.