Chiefly British def - setting off a firecracker, or "Christmas Cracker". Christmas crackers are a traditional Christmas favorite in the UK. The Christmas Crackers are short cardboard tubes wrapped in colourful paper. There is normally a Cracker next to each plate on the Christmas dinner table. When the crackers are pulled - with a bang! - a colourful party hat, a toy or gift and a festive joke falls out.
"Sirius had not contacted Harry at all ... he did not like to think of Sirius alone in his mother's old house, perhaps pulling a lonely cracker (pull a cracker) with Kreacher."
J.K. Rowling.Harry Potter and the Order of the Phoenix. New York. Arthur A. Levine books (Scholastics). 2003
The Florida Cracker has become an endangered species, mostly because of all the golf-playing, non-driving, constant-bitching ASSHOLEyankee retirees that move to Fla.
The brutal act, of being restrained, and having a set of vice grip pliers, clamped to ether testicle at the same time, as a form of torture. Performed by the KGB when exchange of information is absolutely necessary. This will often cause extreme pain, often popped testicles, and leave the victim unable to speak in low baritone voices.
Guy 2: "Dude, Poor Joe."
Guy 3: "What happened to him?"
Guy 2: "He got the Russian Nut Cracker..."