pong
n. countable C1 Advanced US //ˈpɔŋ// UK //pˈɒŋ// pong
n. a very strong and unpleasant smell. You use this word when something stinks, like old gym clothes or bad food.
n. a strong, pervasive, and unpleasant odour. Informal in register and primarily used in British English to describe a foul smell.
There is a terrible pong coming from the kitchen bin.
The locker room was filled with the unmistakable pong of damp towels and old trainers.
Despite the heavy application of floral air fresheners, the persistent pong of the burst sewage pipe continued to drift through the ground floor of the office building.
Probably from Romani pan (“to stink”).
From ping, via the pairing of ping pong.
Usage
Commonly used with the verb 'to have' or 'to be' ('it has a bit of a pong').