Australian Colloquialism linked to the contact sport Australian Rules Football (AFL). Legally disposing of the ball in a rapid fashion by punching it out of one hand using the other, usually to avoid being tackled by the opposition.

Metaphoric application in non sporting application indicates instantaneous delegation to a peer or subordinate.
I wasn't too keen on doing that job, so I gave John the swift handball.
by granddolph January 27, 2021
Get the Swift Handball mug.