can-opener

Noun

can opener (plural can openers)

1. A device used to open tin cans, usually by slicing the lid off.

   Synonyms:

   tin opener

2. (roller derby) A shoulder hit to the chest, usually accomplished while moving from a crouched to a standing position.
3. (slang) A tool for safecracking.
   • Even the work of opening a safe with nitroglycerine or with a can opener places the criminal in a state of nervous tension.1933, United States. Congress. Senate. Committee on Commerce, Investigation of So-Called "Rackets": Hearings, page 697
4. (slang) A ramming maneuver, that opens up the target ship like a tin can.
5. (slang) An anti-tank munition or attack vehicle, that opens up armour like a tin can.