vacuum cleaner
noun
- Hoover; electrical suction device used for cleaning domestic surfaces
Wiktionary
noun
Etymology: From vacuum + cleaner. By synchronic analysis, vacuum-clean (a back-formation) + -er.
- A device that uses suction, and often agitation, in order to remove dirt and other debris from carpets and hard floors.
- The buttocks.
“And if that's not a good enough explanation, you can shove it up your vacuum cleaner and turn it on high!”