Last time I accidentally said something sarcasticly over-ambitious to an LLM, it shipped this popup callout tooltip feature on a PDP-7 Type 340 vector graphics display emulator that shows you the meaning of the drawing you're pointing at, as well as the address of the instruction that drew it.
For the humor impared, it would also be useful to have a colorful animated "WHOOSH" overlay with sound effects for every time a deadpan joke goes over your head. ;)