A phrase used to express disgust towards other people's lack of manners. In other words, somebody's just been a snob or a jerk to you, your family, or your friends, and since you're really, really mad at them, you mumble "How rude!" when they walk off. Also a phrase made popular by the 1990's show "Full House" character Stephanie Tanner (played by Jodie Sweetin).
"Well, how rude!" I angrily mumbled as the dumb old preppies gave me the evil smirk.
by Big Blue Note November 29, 2005
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A commonly used catchphrase of Stephanie Tanner of the sitcom Full House.
DJ: If Mr. Bear's related to anyone in this room its the mattress.

Stephanie: Mr Bear says, how rude.
by TaurusBaby04 July 7, 2020
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Bigger, more powerful than "How rude"
Sam: "God your ugly"
Lisa: *gasp* "How LE rude!" *slap*
by PixieWoman April 21, 2008
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