Is Ryan McDonagh saying “Go aim for his knee?”

First Crosby goes to the box for kneeing, which, admittedly, was not a good look at all for #87.

https://twitter.com/mkmolnar/status/811383614357258240

Tough to defend that one. But then after the play, while Crosby is in the box, Ryan McDonagh is seen mouthing words to a teammate, which sure does look like a call for revenge…

what is mcdonagh saying here? go after his knee? pic.twitter.com/kqOSGoaRaO

— The Pensblog (@Pensblog) December 21, 2016

Other possibilities:

Burns when I pee
Nickelback, love to see
Jet fuel can’t melt steel beams
I suck at D

I still voted for Bernie