This is a word used in similar situations as YES except with some doubt. As in, of course you want to but you are unsure as to whether or not you can.

the mathematical equation would be:
100% of YIES = 70% of YES + 30% of cute doubt
-Do you want to ride a flying narwhal?
-Yies?
by TowskiTime November 03, 2015
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From the Boy Scouts. Used as a closing, such as in a letter. Stands for "Yours in Scouting" or "Yours in Service".
by Yours in Scouting February 17, 2009
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That asian kid who plays counterstrike for hours on end and still knows enough to help u cheat in every subject.
by matt March 31, 2005
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Noun- the pinnacle of sexual excitement; the ultimate destination of pleasure; a substitute for orgasm; mainly said by Chinese people from the South

Verb- to expel bodily fluids during sexual activity or when aroused
Dang Man! when Gabby walked into the band room I couldn't help but yi all in my pants.
by kansasalltheway6969 March 20, 2011
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A popular greeting widely considered to have originated in the underground East coast rap scene. Credited in it's earliest uses to rappers Queue and Illustrious C of the Hip Hop group Legion of Doom. A combination of 'Yo' and 'Hi', it rhymes with the latter.
"Yi muthafucka, time to pull out my nine. 'Gonna slap a couple bitches fo' I guzzle some wine." ~From the track 'Upscale Anal' as featured on the Legion of Doom album 'Jockstrap in my Martini'.
by Sizzle Mac August 05, 2006
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The guy who smells incredible and has a huge penis. Great with animals as pets. Also has great sex in cars, trucks, airplane bathrooms, closet, classrooms, offices, etc. Like a beast of the wild of sex.
I wish you were a hammer Yi, so you could nail me.
by Thatoneguy2112 October 21, 2011
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