Occasionally, rapidly clicking a checkbox will result in the wave effect not fading away

[LuminescentMoon]

Using Chrome Version 41.0.2272.118 m (64-bit)

It gets stuck like this:

Tested here: https://material.angularjs.org/#/demo/material.components.checkbox

[ngraef]

Can confirm. Clicking doesn't make it go away.

[mleanos]

I've had this happen to me when rapidly clicking an md-tab-label using Firefox. Just in case this helps y'all.