A slang term, mainly used in England - particularly in the South West - but believed to have originated in South America.

Used as a descriptor for pretty much anything, good or bad. Regularly used as a substitute for the word "jammy".
"Mate, when you pissed on the floor at Ryan's party, that was so shimi."

"That girl Jess is so shimi"

"You got with Jess? Fuck, that's so shimi man!"
by LondonDave2014 August 20, 2014
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