Everyone in Westminster was bored stiff with the phrase, which meant it was only just starting to percolate through to the electorate.

Source: https://www.theguardian.com/commentisfree/2023/may/21/rishi-sunak-detached-squabbling-tories-frighten-voters

For example, the pavement in Shenzhen Bay Park’s wide shoreline path, the Coastal Leisure Belt, allows water to infiltrate slowly and then percolate through a deep bed of gravel underneath, which slows it even more.

Source: https://thediplomat.com/2023/01/becoming-a-sponge-city-at-shenzhen-speed/

Give it some time to percolate.

Source: https://mashable.com/article/balloon-play-fetish-looner

Now, during monsoon, water starts to percolate inside the already disturbed slope and overburden the soil, making it loose and if there is heavy rain for 3-4 days straight, the situation aggravates and landslides take place.

Source: https://indianexpress.com/article/cities/mumbai/landslides-change-slope-geometry-land-use-aggravates-8912119/