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Short for Fructose Corn Syrup and High Amounts Of Sugar.
Desi: "Hey, does this have Flucose in it?"
Flucose: "what"
Flucose by 69gaystreet February 28, 2020
Related Words

flucksen 

a guy whos name usually starts with a 'p' who thinks hes hot shit, but really isnt.
tries to get with the girls but cant, thinks hes smart but isnt and has no friends
also referred to as a meathead.
Damn that kid is such a flucksen, look at the way he walks
flucksen by Stacy Oriduo October 30, 2008

flucusexual 

when someones sexualality fluctuates from prefering guys one week, then prefering girls one week; a fluctuating version of bisexual
girl one, texting her friend: "OMG!!! Halle Berry is such a sexy beast!"

Girl two, responding: "I thought you were stright?"

Girl one: "not really"

Girl Two: "what do you mean"

Girl one: "well...it fluctuates....so what would that make me?"

Girl two: "um.....i guess a.....flucusexual"