Waitcrastinate

To procrastinate after waiting for something. For example, you want to go buy something at 7 AM but need to go to a store that does not open until 9:30 AM. So you start playing games and watching TV, and then don't get around to it until noon.

Origin: Wait + (pro)crastinate

He hasn't submitted the documents yet, because his internet was down up until three hours ago, and he decided to waitcrastinate after the connection was restored.