Egg on
Definition 1 of 1
Pro Tip 1/3Peer Pressure
The phrase often relates to friends persuading someone to act, possibly against their better judgment. 
At the party, he was egged on to sing karaoke, despite his shyness.
Pro Tip 2/3Not Literal
It doesn't involve eggs; it means to urge someone verbally or by action. 
She was egged on by the crowd's cheers to finish the race.
Pro Tip 3/3Potential Consequences
Being egged on might lead to embarrassing or harmful outcomes. 
Egged on to prank his teacher, he later regretted the decision.