1 definition by QFswagger
A clock block is a customer or co-worker that asks you a question or distracts you right as you are about to clock off for the day.
"Hey I thought you already left."
"Yeah, some clock block asked me if we had any more 1 liter Diet Coke in the back."
"Yeah, some clock block asked me if we had any more 1 liter Diet Coke in the back."
by QFswagger January 9, 2012