the most powerful spell used by any mage ever. in 1792 it game ended Hitler by deleting his kneecaps and yeeting them to an alternate dimension where ugandan knuckles is still funny. if you say this to someone they will instantly lose their kneecaps and commit die.
Person: You can't defeat me mortal!
PeRsON 2: YEETUSYEETUS KNEECAP DELETUS NORMIE
Person: *commits death as the russian anthem plays with the bass boosted beyond comprehension*
It is a sacred worship to our lord and Savior that involves grabbing a baby or fetus and send it to our lord with a either a throw or a kick and yelling 'Yeetus Fetus Deletus' or simply 'Yeetus fetus' or just 'yeet'. this sacred ritual should not be interrupted or the worshipers will send you up for your 'felonies'.
this is also a term for a common2019 internet meme.