Dads are notoriously impossible to shop for, unless you buy yours a tie, which is perfect, because dads wear ties. Holy crap: just get him a tie!! Man, that was easy.
Or, if your dad is crazy and actually hates ties, booze is good too. We asked Moiz Ali, Professional Person Who Knows Everything About Booze from Caskers.com, to tell you exactly what you should get for your father-person, based on what you know he already likes.