Just make a lot of threats, and premove as much as possible. Here's an example
How to win in bullet
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Do Scholar's mate. Even if it doesn't work you'll still have a mildly agressive opening. Also it usually works on people addicted to hyperbullet.
wall defense
It has been a very long time I basically quit chess and remember I made this forum 
When you are under 800 Rating you can just flag everyone