(V): The act of adding decorations specific to the Oklahoma City Thunder NBA team to anything and everything as a way to show how pumped up you are for the team. Basically making anything Thunder-ized.
James: Did you see that building with a beard?
Kevin: Yeah, they Thundered Up that building.
Serge: The whole state of Oklahoma is Thundering Up!
Thabo: I know, I can't go anywhere without seeing people dressed in orange and blue, street art, flags and banners.
Russell: We need to Thunder Up for the big game.
Kendrick: Yeah, we should buy lots of Thunder stuff and wear it and put it everywhere.