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
when a group of jews crowd around the food at a family or social gathering, making it hard to get through. See gridlock
Wow, Rachel, these bagels are really causing yidlock here
by sayy what?! November 11, 2007