A form of Japanese poetry with 17 syllables in three unrhymed lines of five, seven, and five syllables. Almost all elementary english teachers force their students to write a haiku because they are too lazy to teach real poetry.
All haikus are great,
But they don't always make sense.
I got the buttpee.
by <======3 October 13, 2011
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7-5-7 syllable poem in three lines. Below are some examples.
"Learned your ABC's
Learned your birds and bees dummy
Parents hate their kids"

"Achievement Unlocked
Took an arrow to the knee
Sixty Gamerscore"

"My name's Bechreaus
I'm with all the black people in
the back of the bus" <---(I know it's racist)

"What is a haiku?
Urban Dictionary knows!
Oh. That's what it was."
by Ching Chong Evans January 10, 2012
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Haiku are strictly about nature. All of the definitions posted here are incorrect, those are senryu, which are haiku that do not deal with nature.
HAIKU:

Whispering softly
Willow trees in the winter
Sway in the cold wind.

SENRYU:

I have a big cock
It is much bigger than yours
Yours is just too small
by Alexis Rose January 31, 2007
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A strict form of Japanese poetry consisting of 3 lines.

Format:
First Line 5 Syllables
Second Line 7 Syllables
Third Line 5 Syllables
A cow's in the field,
It knows not what is to come.
Rare or medium?
by Depakote June 12, 2003
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this is a haiku
it has seven syllables

it also has five

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a haiku is a Japanese poem including 5 syllables in the first line, 7 in the second, and 5 in the last ( only three lines)
haikuuuuu
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After Trump won the Presidency, I began to write 100 Haiku poems on social media. I figured, I had 100 days to become a poet, if we were giving Trump 100 days to become our President. I found, after about 45 days, that my friends on social media were sending me any and all memes regarding Haiku. Further, they began to respond to any of my posts with original poems they wrote in traditional Haiku form. Hence, I realized, I had been Haikued.
My dear friend Haikued me and her poem was much better than mine. I like to think my attempt at traditional Haiku is rather good, but She really out-Haikued me on my last post.
by BuffaloBill555 February 7, 2017
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Haikus have three lines.
The first has five syllables,
Then seven, then five.

Proper haikus are about nature, especially the seasons; the structure tends to be more important than the words.
A haiku:
Underneath a tree
Summer air is so easy.
So is yo mama.
by Blue Jack January 3, 2009
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