The largest thing in the universe. This object (somehow defined as a girl) weighs an infinite amount of weight, and can be defined as kaylee. GUPPY cries about 23 hours and 49 minutes each day, yet she is able to maintain her gigantic weight. This object is the ninth wonder in the world. 'She' often likes to eat people's pants, and likes to find any chance 'she' can to get other people in trouble.
GUPPY ate my pants
by Tacobell Owner 'totally legit' February 05, 2017
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A term often used to describe self-centered bastards. These people often have a pathetic taste in music and food, have non-existing socializing skills and lack immense discipline on every terrain. A key factor to identifying them is that they (a) only EVER talk about how good THEY are in everything only when it is NEVER true and also (b) never ask/care about other people's interests or feelings . These people only put themselves at the top of everything and dream of greatness they'll never archive.
"He's so mean to me!"
"No , he's just being a guppy...."
by Ironman4life June 02, 2014
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The act of slapping someone under the chin, usually closer to their neck.
When I entered class I saw my friend Harold. I then walked up to him and gave him the "Guppy."
by VinnyVeech33 November 14, 2010
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One who breeds a lot. Can apply to a male that has sex a lot or a female that has a lot of offspring. Comes from the fact that male guppies have nothing but sex on their mind and female guppies have lots of children.
Dude, you're such a guppy! You got the whole school pregnant!
by Amerikkka is a police state February 27, 2005
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A nickname for any aircraft in the Boeing 737 family of airplanes
I can't believe I have to ride in the back of a Guppy all the way to Hawaii.
by UnitedBusDriver December 05, 2016
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