noun / verb
pong
PAHNG/pɑːŋ/
A strong, unpleasant smell.
A nasty pong rises from the forgotten leftovers.

Etymology
Origin unknown. Pong for an unpleasant smell is established slang, but no particular earlier root is secure.
In context
with a horrible pong he's learned his lesson
More examples
- These damp sneakers pong after every workout.
- Opening the trash can releases a terrible pong.
- The shed ponged until we removed the rotting vegetables.
Forms
pong · pongs · ponged · ponging