Noun. A banal thought terminating cliche used by boomers and boomer sympathizers to convey the failed "conventional wisdom" of their generation. These cliche sayings are typical political or economic in nature and are refutable by hard real-world evidence.

The burden of evidence required to refute a "boomerism" is often substantial, requiring reference to the CPI (Consumer Price Index), Wage Index, or other economic data available on FRED (Federal Reserve Economic Data).

Millennials and Zoomers are too busy working their jobs as senior economic analysts, program directors, or serving coffee to pay off students loans, to refute boomerisms.

None the less, entitled boomers feel obliged to be provided with hours of high valued consulting work, at no cost, to disprove them. Millennials and Zoomers have adopted a strategy of responding to boomerism with the much less costly "Ok Boomer".

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

An ideology which promotes the discrediting of ideas from any person or entity that disagrees with one's preconceived beliefs, regardless of their source's credibility. It is a common ideology among the "Baby Boomer" generation, born between 1946 and 1964, hence the title "Boomerism".

When you completely shank a kick or a shot on goal in soccer. It's a complete fail. You might even cost your team the game. You feel like a total jackass afterwards!