House Democrats Want to Censure Paul Gosar, What Does That Mean? (msn.com) House Democrats are pushing to censure Representative Paul Gosar, an Arizona Republican, after he posted an anime video to Twitter this week depicting himself killing Representative Alexandria Ocasio-Cortez, a New York Democrat. so sensitive The last member to be censured was Representative Charles B. Rangel, a New York Democrat, in 2010 over improper solicitation of funds. Rangel retired in 2016. which proves it means nothing
It's essentially a formal warning, the same kind of thing that exists in all sorts of other environments. It should mean that if the censured individual stops the behaviour, nothing else needs to be done. If they continue or do something else wrong, the censure can be a factor in subsequent rulings and punishments.