Opex 

Changing rules/equipment to benefit ones situation. Specifically used in CrossFit but can used universally to gain advantage.

See also, Xebex.

I ran out of condoms so opex'd a baggy and banged all night.

Opex by KickasstanedaP May 9, 2018

Opexy 

The feeling you get when someone thinks they are buying an asset and trying to use their CAPEX budget, but you’re certain it’s actually an operating expenditure.

“That upgrade fee feels Opexy to me.”

Opexy by C are M March 17, 2017