'92: Wayne's World. '94: Dumb and Dumber. '95: Tommy Boy. '96: Happy Gilmore.
Were you a frustrated parent trying to understand why your teens loved this garbage?
Were you experiencing your formative years (like me), developing a comedy baseline by which you'd judge all future attempts?
Were you not born yet?
This series of articles is longer than the average read, but it's a pretty good survey of comedy, intellect, social commentary, and generational interaction. Love it or hate it, the pervasive influence is undeniable.