The most powerful evil in all of academics. The biggest, the baddest, the worst possible thing you can think of doing multiplied by your scariest nightmare.
A Jimmy Johnson is the ultimate level of difficulty possible for any test, practice problem, or example. Nothing is more difficult than
a Jimmy Johnson.
Slightly easier but still near impossible is
a Johnson
"That chemistry test was an absolute Jimmy Johnson, how does
expect us to do that shit? It was impossible!"
"Bro that was
a Jimmy Johnson, I felt like a baby sucking a hot dog stuck in a
hijacked plane."