Jack in the boxing
A fake name for your old job. You use it so you don’t have to talk about your ex-boss or ex-lover.
I used to work at Jack in the Box, but now I say I work at ‘Company X’.
He said he worked at ‘Jack in the Box’ but now he says ‘Company Y’.
She used to work at ‘Company Z’ but now she says ‘Jack in the Box’.