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 do domething based on your emotions rather than for rational reasons
I can't believe that Tom beat his classmate. He's always the one who let his heart rule his head.