cogner des clous*

* banging nails

French Québec, Canada

Expression USED Frequently BY Almost Everyone

Used to describe the behavior of someone trying to stay awake despite being very obviously tired.

"J'ai pas dormi de la nuit, alors j'ai passé la journée à cogner des clous."

"I didn't sleep at all last night, so I spent the day struggling to stay awake"

Confirmed by 3 people