To act in a rude or hateful way.
I like acting deciduous sometimes because it makes me feel like a tree.
by You are deciduous November 3, 2010
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Dude, let's go to Deciduous's tonight and go on a date with the sky!
by Horace Mills November 6, 2009
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Someone whose intelligence, or lack thereof, is seasonal and inconsistent. (See also perennial dumbass.)
"Sometimes they can be really smart, but other times they say the dumbest shit, you never know what you're gonna get. God, they are such a deciduous dumbass."
by Honeydew Melon Hater July 12, 2022
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something from bfb 14 xd
Person 1: do you like bfdi?

Person 2: ah yes, I do love buried forest deciduously insulated
by ChespinPheoct June 1, 2022
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student: Are we going to have a pop quiz today?
science teacher: Does Ursus Horribilis defecate in a deciduous forest biome?
student: WTF?
by Nigelfer July 11, 2008
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A highly contextual word usually refering to the creativity inspiring antics of the world's most sloopliest creative collective.
Dont make me get highly deciduous on yo ass bish!
by thedeshijibotz May 8, 2023
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