Till doomsday phrase informal
Forever.
She wants to put off till doomsday.
If he were Prime Minister, the recession would last till doomsday.
You can dig here till doomsday, but you will never find water.
Forever or eternally
1. Used to indicate something lasts forever
2. Said when you believe something will never happen
To be extremely stupid; not to be alert
She didn't know her ass from a hole in the ground when quitting such a decent job.