2) It's impossible for egg custards to be a typo of Eggy Farts.
3) You should have long ago realised I belong to that dying breed of people who actually proofread, usually automatically; if I had intended to write cutsards you would see custrads. 4) Any bets on who the dumbass will be...?
Yore mind evidently lacks the capacity to comprehend such simplicity, and so is unlikely to have a depth anywhere near a mile.
That is not a matter for debate or disagreement, it is the definition of a typo: a misplacement of the fingers. An error caused by being distracted into writing something different is not a typo because you have deliberately - even if unconsciously - instructed your fingers where to go.
dys?