Something that is made up on the spot and given little time to gather and present. Usually referring to speeches that are given only a few minutes to prepare for.
I had to write an impromptu speech about Anal Cancer in 3 minutes without using the word 'ass' 'anus' 'shit' or 'hair'.
by Bastardized Bottomburp September 26, 2003
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When my chik walked in on me with my mistress, I had to make up an impromptu excuse for why my purple headed yogurt slinger was in her tuna taco.
by Vigilante DB October 26, 2003
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Something that is made up on the spot. Can also mean a speech that was made with little or no preparation.
The drug dealer had to come up with an impromptu excuse to his boss for losing the shipment of crack to the police.
by AYB September 24, 2003
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the ie definition of hell. impromptu speech takes lots of stress and crying and you shOULD NOT DO IT EVER AT ALL.

you have two minutes to prep a five minute speech, of which the topics are categorized into quotes, concrete nouns, and current events. you better watch out for current events though, because a topic for one of them was "yoga pants are on the rise - is this good or bad?"
person a : "yo dude im going to go the ggsa ie #1 for impromptu so that i dont have to prep.
person b : "duuuuude good idea good idea ill go too"

..... many months later ....

person a : "holy shit im dead i have impromptu i cried for a whole three days striahgt after having to talk about yoga pants"
person b: "it sure is the debate of the devil"

person a : "man o man never again will i do impromptu -- its like, the ie definition of hell. impromptu speech takes lots of stress and crying and you shOULD NOT DO IT EVER AT ALL.

you have two minutes to prep a five minute speech, of which the topics are categorized into quotes, concrete nouns, and current events. you better watch out for current events though, because a topic for one of them was "yoga pants are on the rise - is this good or bad?"
by dalto o o o n March 6, 2017
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when your kindof hungry, and someone suprises you with a peanut butter sandwich.
i was walking by the kitchen and i was like, holy shit. impromptu peanutbutter sandwich
by mick hirte May 26, 2006
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Before you proceed to make sweet love to a woman's anal area, be sure that she has eaten a hearty meal. As you are giving it to her good, tell her when you are about to come. This next part is very tricky. As you come, she will simultaneously shit, thus enveloping your cum in her shit. The end product resembles a Hostess Ding Dong.
I didn't have to go to the convenient store because my girlfriend and I made an impromptu ding dong. We split it.
by AWOFF November 19, 2010
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Guy 1: Hey, man, are you okay? I saw you head for the bushes earlier.
Guy 2: Urgh, it was so gross, I had an impromptu protein party.
by flowerstain April 25, 2011
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