1. swish-swash - Noun
2. swish-swash - Verb
A repeated swishing action or sound, going back and forth.
(obsolete) A weak, wishy-washy drink.
swish-swash (third-person singular simple present swish-swashes, present participle swish-swashing, simple past and past participle swish-swashed)
To make a repeated swishing action or sound.