Yukki is a really smart girl. She is amazing at the arts and everyone loves her. She is an amazing friend who is always excited to see you and will always stand by you. Little do you know you probably have a lot in common with her.
Wow that girl is such a Yukki!

I know, and she can really draw!
by KKKitty August 29, 2014
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A total rejection by one or more of the 5 sences (negative appeal) i.e., disqusting, undesirable, ugly, smelly, toxic, poison, slimy, nasty, etc.
Old leftovers can be really yukky. eww.
by Guido1 January 28, 2009
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When yukki is in charge of a group and it doesn't launch for several years and then moves on to a different group and repeats the cycle.
"yo I just recruited yukki to help lead my new group"
"dude... big mistake.. the yukki effect will take place if you don't fire him"

"yes I finally became hc in one of yukkis groups I can't wait for it to launch."
"lol it won't"
"why?"
"the yukki effect"
by Decrupt June 25, 2020
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A cute girl who has pretty eyes and a beautiful smile
That girl Yukki is soo cute
by lDraxuu October 5, 2022
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