pear-shaped

Short definition from Wiktionary

Adjective

1. 1
   Having a shape of a (typical western) pear, or in cross-section, like the cross-section of a pear.
2. 2
   Having a shape of a (typical western) pear, or in cross-section, like the cross-section of a pear: Having gynoid fat distribution, not android fat distribution.
3. 3
   rich, mellow, sonorous
4. 4
   Wrong, awry, usually in the phrase go pear-shaped.