[burk-sheer, -sher; Brit. bahrk-sheer, -sher] 
| 1. | Also called Berks [burks; Brit. bahrks] . a county in S England. 658,300; 485 sq. mi. (1255 sq. km). |
| 2. | one of an English breed of black hogs, having white markings on the feet, face, and tail. |
| 3. | a steam locomotive having a two-wheeled front truck, eight driving wheels, and a four-wheeled rear truck. |
"This is not an objective, anatomical term, neither does it imply coitus. It connects with that extension of meaning of the unprintable, a fool, or a person whom one does not like." ["Dictionary of Rhyming Slang," 1960]
ʃɪər