What's on your mug?

sadly wrong, awry (usually in past tense)

Everything was going well until the afternoon, then it all went pear-shaped.

By Alcyon

Something that has gone pear-shaped has gone wrong: this is based on the visualisation of a plan being like a perfect circle. When something goes wrong, the plan is distorted and becomes pear-shaped.

It was all going well, then Jonno dropped the ball and it all went pear-shaped.

By Wowbagger (the Infinitely Prolonged)

very wrong, unrescuable. 'Pear-shaped' is an RAF euphemism for 'tits-up', which is itself a euphemism for 'dead'. The Oxford dictionary definition cites an RAF source in 1983. I was an RAF pilot in 1983. The reason no-one will confirm the meaning officially is that it's rude, hence the rubbish about aerobatics. Loops that go wrong are egg-shaped, and have always been referred to as such.

Sorry chaps, tonight's session has gone pear-shaped. The bus is broken and 4 of the lads have been nabbed for night flying.

By Al Beback