Synthsplain
The act of explaining the functions of a synthesizer to one who who is already knowledgeable about the subject.
Reed: "Did you know the DX7 was the first synth with an LCD screen?"
Vince (realizing he's being synthsplained to): "You don't say. Hey, is there also an 'on' switch 'round the back?"
Vince (realizing he's being synthsplained to): "You don't say. Hey, is there also an 'on' switch 'round the back?"