conk off

He prided himself on being able to conk off as soon as he hit the sack and not know anything until it was time to get up.

The air filters in the wall of the bedroom area conked off for a moment, allowing smutty outside air to seep into the shadowy afternoon room.

Goodgulf and Moxie conked off immediately after a quick game of craps (Moxie lost), and Pepsi, too, lay down as if in a deep snooze.

It happens that Titans coach Jeff Fisher is head of the NFL's competition committee, meaning his group worked with the league office to figure out how to handle balls conking off the boards.