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slang term referring to mushrooms that one ingests to "trip" or hallucinate
Yo let's get that fungus I'm tryin to trip balls tonight!
by Mark Tanner February 04, 2008
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2
Someone who is lazy and does nothing all day (someone who just sits around and rots).
Freakin FUNGUS is still living at home, shit!
by Joshiro007 February 20, 2003
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3
fungu is an alternate way to say fuck you..it is better than fuck you because it confuses the victum of the fuck youing.
fungu nigga.
by JCruz973 August 18, 2008
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5
Reaps all of the negative connotations that have been used with the word, "gay."

adjective, -al or without "-al," adverb, -ally
A: Ben, what do you think of my new sweater?

Ben: It's pretty fungus.
by Bajabear January 20, 2011
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6
Something that is really cool and in fashion.
Something or someone that a person really likes.
An expression of suprise.
That T-Shirt is really fungu!!
Oh! That is so fungu!
by george424 August 31, 2008
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7
someone that you are not initially attracted to, but after hanging out with that individual for awhile, they "grow on" you, so you begin to like them.
Lisa: I think I'm beginning to like Chad.
Lisa's Best Friend: Uh-oh. It look likes Chad has become a FUNGUS.
by saerom January 24, 2005
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