Worksheets, computers—America's hypercompetitive education system is trickling down to preschool.
In this case, the chatter is proliferating across the Internet, trickling down to a motley crew of unhinged activists.
In L.A., the really exhilarant cooking was bubbling up from the bottom, not trickling down from the top.
late 14c., possibly a shortened variant of stricklen "to trickle," a frequentative form of striken "to flow, move" (see strike). Related: Trickled; trickling. Trickle-down as an adjectival phrase in an economic sense first recorded 1944; the image had been in use at least since Teddy Roosevelt.
1570s, from trickle (v.).