choke pear

from the GNU version of the Collaborative International Dictionary of English.

• A kind of pear that has a rough, astringent taste, and is swallowed with difficulty, or which contracts the mucous membrane of the mouth.
• Low A sarcasm by which one is put to silence; anything that can not be answered.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A torture device consisting of a metal body (usually pear-shaped) divided into spoon-like segments that can be spread apart by turning a screw.
• noun A kind of pear with a rough, astringent taste, difficult to swallow.
• noun archaic, vulgar A sarcasm by which one is put to silence; anything that cannot be answered.