What is Shate?
1.
Scottish for 'shit'. The 't' is usually silen(t).
"Awwwww, shate" (Scot.)
"Oh, shit" (Eng.)
2.
stupid or very retarded
often a drunk or a high person
a state of mind and stupidity
"look at that shate"
"yeah thats a real jackass"
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3.
Finely granulated shit in the form of shale which has settled at the bottom of the toilet for a while which has hardened into a form of slate, hence shate. This can be seen in some toilets as it's known to be unflushable without the help of a toilet brush and some people don't bother cleaning their toilets so they have shate forming on the bowl.
Someone would say, "does that guy ever clean his toilet, the bowl is encrusted with shate!"
See
4.
past tense of the word shit
'damn i really enjoyed that shate'