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Something that is so freaking fly and fresh. If someone's singing sounds like Jesus and Fergy mixed together, their voice is Guac. When you want to describe something as the most amazing, on fleek, dope ass, gucci thing ever just use the word instead of trying to explain how flipping legendary the said thing is. In other words Guac is the new "dope" for you older users.
Person one: "Damn! That is the most delicious, gucci, awesome, beautiful, amazing, exhilarating, dope ass, on fleek steak I have ever tasted! It was a legendary slab of heaven! I had an out of body extra terrestrial experience just from eating it! Wow!"
Person 2: "So you mean it was Guac?"
Person 1: "Guac af man. Guac af."
by gabedown March 12, 2015
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Jan 25 Word of the Day
Oh youโ€™re just being alive? Iโ€™m horny too
via giphy
by ecogoth January 01, 2021
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Teacher: Write a 1-page paper on WWI.
Student 1: *hands in 7438921432196 pages*
Student 2: Why you gotta be so guac?
by Latoang June 02, 2017
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Another term for weed. This is due to the fact that weed looks a lot like guacamole, especially when you are high.
Dale's Mother: "Where were you last night Dale?"
Dale: "I was puffing mad guac with the crew..."
Dale's Mother: "I have no idea what that means."
by TheRealMC July 17, 2015
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(adj.) Derived from Chipotle's extra charge for guacamole. To be "guac" is to be: extra, more than necessary, dramatic, too much, etc.
Camila from Fifth Harmony is so extra.

Girl, like guacamole at Chipotle.... That bitch is guac as fuck.
by Adex August 24, 2016
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Something that is over the top, excessive, dramatic, ridiculous, or unnecessary; extra

When you ask for guac(amole) on your burrito at Chipotle, the server always says "Guac is extra, is that okay?" Thus, when someone is being extra, they are being guac.
Jake: "Did you see Katie's outfit today? She's wearing 3 necklaces and 8 inch heels. She is so guac!"
by mvp @ vt February 12, 2016
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