To encourage or coax a person to do something, especially something foolhardy or reckless
She had deliberately egged him on to wreck his prospects.
urge on; cause to act; "They other children egged the boy on, but he did not want to throw the stone through the window"
encourage, urge greatly (generally toward something negative as a fight, argument etc.)
If you egg a person on, you encourage them to do something, especially something dangerous or foolish. He was lifting up handfuls of leaves and throwing them at her. She was laughing and egging him on They egged each other on to argue and to fight