a term of light hearted and sometimes sarcastic approval when someone announces that they have done something or plan on doing something in the future
Person A: We won the soccer game by spiking the opposing team's water with laxatives!!
Person B: Wow, that's diabolical, my friend.
OR
Person A: I made cookies for elderly people with cancer yesterday.
Person B: You're diabolical.
The only word audible in PackGod's videos along with shut yo ass up as a sentence connector
PackGod: $%^&*(0(W*&^% diabolical (*&^%$%() _ )(*&^%$, shut yo ass up u ugly diabolical %^&*()&^%$%^&*(
1. (Adjective) - Dubious, scandalous, or otherwise brilliantly devilish; descriptive of behavior conducive to an atmosphere of mischief - generally said of lollygaggers, tomfoolerers, jokers, hoaxers, tricksters, jokesmiths, humorists, jesters, hooligans, goofballs, charlatans, scoundrels, rapscallions, miscreants, jokesters, japers, hoodlums, scallywags, clowns, quipsters, harlequins, buffoons, wisecrackers, rascals, neerdowells, rabbel-rousers, shenaniganizers, goofsters, merrymakers, ruffians, skylarkers, goobers, knuckleheads, and other ridiculous men.
Matt: "Eyy big slime, them fools over in room 306 done pulled a prank on our room!"
Big Slime: "We finna get them back. You know what will really teach them a lesson? We should sneak into their room and pour water in the sinks!"
Matt: "Diabolical!"
Similar to the slang Nasty work an expressive term to describe people's awful behaviors in society today whether it be the news,friends actions, low down filthy tv etc.
Aye man, have you seen the rap beef between kendrick lamar and drake?
Man that beef back and forth is nasty work.
Na cuz, people confirmed drake did those things!
Whoa cuz that's diabolical "work"
Someone who hates to the sixth power.
I have a friend that is a diabolical hater of LeBron James' success.
The scale of how diabolical a person can be
You underestimate my Diabolibility
Julie Easton is a diabolical shit taker this 5’2” 120lb woman can plug any toliet even NASA’s.
“ The diabolical shit taker has done it again somebody call Beacon it’s freakin plugged.”