A traffic jam that occurs just prior to a Jewish holiday.
We were late for the Passover Seder because we got caught in yidlock on the 405.
by Moishe Tannenbaum April 05, 2012
When your get stuck in stand still traffic because there are too many jews on the road
Everytime I drive through Boropark, I get caught in Yidlock
by Marco P February 27, 2005