drop out (of something) - Some pupils decide to drop out of school at the age of 16 without taking the final exams.
stop participating in something like an activity. - Do you know anyone who dropped out of school?
wind up (someone) - These new neighbours are really winding me up. They make so much noise!
make someone angry or annoy them. - Is there anyone you like to wind up?
let off (someone) - When the police stopped me for speeding, I expected to get a fine but they let me off with a warning!
excuse someone from punishment or when someone receives a lighter punishment than expected