How to stop Meepo's Poof?

Watching Dota 2 videos I keep seeing people starting Poof with Meepo and then stopping it. For example, this video (at 2:45):

How to do it?

I tried to right click elsewhere, tried to press "Esc". This doesn't work.

Solution 1:

You need to press the stop key that can be configured in the setting menu. As mentionned by TankorSmash, pressing the stop key is always used to perform an animation cancel with skills that have non-zero cast time.

Solution 2:

The stop key is S by default, but yeah, can be changed in the settings. This will also stop you from autoattacking or doing anything else and literally just stops your character from moving or doing anything.