One who is unreasonably irritated, or get Crazy eyed at seemingly random events. A strange and coo-coo person.
Mj: Hey man, did you see 'Paladenz' on WoW last night?

Michelle: Naw, last i heard, he went yatesy, blew up, and left.

Mj: Bummer.. we still up for the raid tonight?
by Sonofalitch February 22, 2014
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Suddenly becoming unreasonable, agitated or slightly insane.
David went a bit yatesy when his room mate ate the last of the bacon.
by Foulmood February 22, 2014
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A great mountain biker who has a massive willy and everyone loves him .
This specimen is very spontaneous
Also very tall
That's Yatesi big
by Oliver yates March 11, 2019
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Where the planning has been terrible, so you make a quick fix decision that is fucking useless and creates more chaos!!
“I thought the we could use this fuel card at the truck fuel pump?”
No mate you’ve been Yatesied!”
by Don Luigi April 15, 2019
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