We already knew that Von Miller likes genitalia-related celebrations, so much so that he is willing to get fined for them. He's put aside that celebration, but commemorated a sack of Tom Brady with ... well ... a sack:
This also may have happened, but TV cameras didn't catch it:
During a "Brady sucks" chant, Von Miller started doing the crybaby motion with his hands at his eyes to encourage the crowd.— James Palmer (@JamesPalmerTV) January 24, 2016
Miller's having a pretty incredible game, so he's had plenty of opportunities for over-the-top celebrating.