Definitions by Jaru the Chonk

swish-scroll 

The short duration, 2-3 secs avg, if nothing catches attention, the user's thumb Swish Scrolls automatically.
With the current age of attention span and instant gratification, people get distracted fast.

John swish-scrolls his timeline pretty fast, unless something catches his attention

swish-scroll by Jaru the Chonk November 20, 2022