English Expression · Intermediate
prop wash
A byproduct of thrust produced by a propeller
Pronunciation: say prop wash
Meaning
A non-existent substance or tool that is used as a practical joke to send a novice on a fool's errand.
Example
The senior mechanic sent the apprentice to the supply room to fetch a bucket of prop wash.
The senior mechanic sent the apprentice to the supply room to fetch a bucket of prop wash.
Practice tips
- Practice prop wash out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.