Thunder up

[Britney]

Thunder up is the term used when the Oklahoma city thunder basketball team gives an ass whooping to other teams.

[Sarah]

The act of OKC Thunder b-ball raising to the call and beating a better team.

[Justin Bieber]

(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.

[Sonia]

To be ready to fight; To be prepared for an ass-whooping

[Donald Trump]

Slang for furious masturbation.