What is Hcf?
1.
Halt and Catch Fire. Obscure but legendary microprocessor operation, supposedly included for test purposes, that could actually ruin the CPU chip.
"So, how do I end this program?"
"HCF."
"How do I pause in the middle?"
"HCF."
"How do I terminate a loop?"
"HCF."
See
2.
Acronym; stands for "Hard Core
He said he was HCF'in last night, which is strange because he was at a family reunion.