wave down
Intermediate (B1)neutral
To wave your arms at a passing car or person so they stop for you.
"She ran to the edge of the road and managed to wave down a passing taxi."
Hear it in context

Nov 16 Weekend report
Gary Savage · 5:57
going to bottom atypic typically with just an a-wave down

Diplo and Rocco DiSpirito Compare DJ Life, Chef Life + Comedy Life | Something’s Burning | S7 E3
Bert Kreischer · 28:49
and like if you need help wave down the guy on a paddle board.

energy
Gary Savage · 3:18
low than this pivot so so we've got an a-wave down a b-wave bounce which took