1 definition by Nick in Wales

Pack Up and Fuck Off.

British Army slang sometimes used over wireless communications to announce the end of a military exercise. Tidy up and leave.
Military radio conversation:

"Hello 3.1 this is 3, PUFO now, over."
"Hello 3 this is 3.1, roger that, PUFO now, out".
by Nick in Wales October 2, 2019
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