Blonde hair is the result of having two recessive alleles for hair color in your genotype. There is no correlation between hair color and intelligence.
Anti-humor is a type of indirect humor that involves the joke-teller delivering something which is deliberately not funny, or lacking in intrinsic meaning. The practice relies on the expectation on the part of the audience of something humorous, and when this does not happen, the irony itself is of comedic value.