On one's own.
- ‘That mug doesn't ring a bell; you must've been on your pat.’
- ‘Being all on my pat up there that evening somehow gave me the dingbats properly.’
- ‘Travelling with my Aussie mates, we took turns to navigate, but now I'm on my Pat Malone again.’
- ‘She's moved into there on her Pat Malone and left me on the farm with my two horses.’
- ‘Robyn then left the stage, leaving yours truly all on his Pat Malone.’
- ‘They form the committee on their pat.’
Early 20th century: rhyming slang.