muffler bearing
English
Noun
muffler bearing (plural muffler bearings)
- (humorous) A mythical automotive part used either in jokes or to gauge how inept someone is in basic auto mechanics.
- Holonym: fool's errand
- Near-synonyms: blinker fluid, left-handed monkey wrench, left-handed smoke shifter, relative bearing grease, skyhook, key to the midway, pigeon's milk