a wild goose never laid a tame egg

bad egg

Someone whose behaviour is reprehensible or irresponsible; a rogue.

best laid plans

A proverbial expression used to signify the futility of making detailed plans when the ability to fully or even partially execute them is uncertain.

Borrow and beg

[Cockney slang]egg

A term that enjoyed a fresh lease of life during the second world war and the food-rationing period.

cook someone's goose

To spoil one's plans or hope of success.

curate's egg

A thing which has good and bad parts, but is overall spoiled by the bad.

egg on

To encourage or coax (a person) to do something, especially something foolhardy or reckless.

first of never

A nonexistent day; a day that will never come.

go wild

To become very noisy and excited.