The thumbs up thumbs down celebration

[bpalmer28]

What does it mean?

Seems like something I should know since my wife and I greet each other with this gesture, but I do not.

 

[Volprofch05]

 

[Volprofch05]

Thumbs up for us, thumbs down for opponent?

 

[ButchPlz]

Probably like in Gladiator.

 

[WillisWG]

For those wondering, here's the deal with the 'Thumbs Down' Yankees celebration

The Yankees have a rallying cry this postseason, and it is a thumbs down

www.cbssports.com

During the YES Network broadcast, the cameras found a Mets fan in the stands giving Frazier a big ol' thumbs down for the home run. Someone showed Frazier the clip on social media, and he decided to adopt it as his own way to celebrate a base hit. He first did it two days later: