A school prank is a prank primarily occurring in a school setting. The effect and intent of school pranks may range from everyday play and consensual bonding behavior to crimes including hazing, bullying and assault, including sexual assault.
A chicken nugget.
An act of putting a person in a headlock and rubbing one’s knuckles on the other person’s head, often a playful gesture of affection when done lightly.
To perform a noogie on.