mischief-making 
noun [mass noun]
The action of deliberately creating trouble for other people.It reflects more than the senator's indisputable propensity for mischief-making....
- They all hopped in the tub for a big, bubbly family bath, and then the mischief-making got underway as they bounced on the bed in their matching bathrobes - a surprise gift Amy had bartered for on-line.
- Again, though, the Internet makes the costs of mischief-making so low, even if there's no profit motive, that its proliferation becomes inevitable.
- new class
- new-coined
- new collar
- Newcombe, John
- new-come
- New Comedy
- Newcomen, Thomas
- newcomer
- Newcomer's organ
- New Commonwealth
- New Covenant
- new-create
- new-created
- New Critic
- New Critical
- New Criticism
- new-dead
- New Deal
- New Dealing
- New Dealish
- New Dealism
- New Delhi
- New Dem
- New Democrat
- New Democratic Party