stupergy
Portmanteau of "stupidity" and "synergy". That magical moment where your stupidity meshes with your friend's stupidity to make more miraculous level of stupidity never before attainable.
"I cannot, for the life of me, understand how you guys got into this mess."
"It's simple, Evan and I have marvelous stupergy!"
"It's simple, Evan and I have marvelous stupergy!"