1.
Something that is pear-shaped has a shape like a pear.
...her pear-shaped diamond earrings.
ADJ
2.
If someone, especially a woman, is pear-shaped , they are wider around their hips than around the top half of their body.
ADJ
3.
If a situation goes pear-shaped , bad things start happening. ( INFORMAL )
He feared his career had gone a bit pear-shaped.
PHRASE : V inflects