You want to annoy friends and family? And MouseDown is to boring for you? Use DrunkenMouse!
When you start this tool, your mouse starts tumbling around on your screen.
Attention: This tool can only be canceled by opening your task manager and killing the executable.
To close it under windows open the task manager with ctrl+shift+esc, switch to the tab processes and find mousedown.exe. Click on end task to stop the endless fall.