noun
dong
DAWNG/dˈɔŋ/
A penis, in vulgar slang.
The adult comedy uses dong as a vulgar word for penis.

Etymology
Here dong names Vietnam’s basic monetary unit. The supplied evidence covers unrelated senses of the same spelling, so it does not establish the currency name’s origin.
In context
the Vietnamese dong, I think based on how, you know, the Viet Vietnam is is trying to export products
More examples
- The editor removed a crude joke about a man's dong.
- The adult character called his penis a dong.
- The script's use of dong made the dialogue deliberately vulgar.
Forms
dong · dongs
Similar words
- penis
- The standard anatomical term without vulgar slang.
- dick
- Dick is another slang term and is usually more vulgar.