On your Pat Malone Australia informal
Cheer up! You are not on your Pat Malone!
As an introvert, he prefers to be on his Pat Malone.
Since my dad's death, my mom has been on her Pat Malone.
This is an Australian rhyming slang referring to an Irishman called Pat Malone, an imaginary character in the ballad Paddy Malone in Australia, who suffered a lot of misfortunes after he emigrated to Australia.
The associates of public figures must not be suspected of being a part of any impropriety.
After being fired due to my brother's inappropriate behavior in the public, I finally understood the saying: "Caesar's wife must be above suspicion."