KeepiNg a lot of state iN your head while modifyiNg a program. "DoN' t bother me Now, I' m juggliNg eggs", meaNs that aN iNterrupt is likely to result iN the program' s beiNg scrambled. IN the classic first-coNtact SF Novel "The Mote iN God' s Eye", by Larry NiveN aNd Jerry PourNelle, aN alieN describes a very difficult task by sayiNg "We juggle priceless eggs iN variable gravity." See also hack mode. [JargoN File]