fasten onto

phrasal verb

fastened onto; fastening onto; fastens onto

: to grip and tightly hold (something)

The stranger fastened onto my arm and wouldn't let go.

—often used figuratively

Once he fastens onto a subject he just won't let it drop.

Examples of fasten onto in a Sentence

Recent Examples on the Web

This went further than pinstripes and a grey and navy color palette: pens were fastened onto ties and stuffed into chignons, and boxy briefcases and leather garment bags resembled the accessories on the platform at Canary Wharf. —Emma Spedding, Vogue, 5 Oct. 2023

In the background, the dark form of the Brooklyn Bridge disappears behind the market, but the necklace lights along the bridge’s cables appear to fasten onto the building’s second story, a link across the few blocks between them. —Nicole Rudick, The New Yorker, 30 Sep. 2023