its a polish short form of 'spokojnie' what means 'take it easy'. in teen slang 'spoko'is used to accept or agree with sth. it means i.e. 'no problem'
'ok'
'fine'

as good/well as can be expected

Short for Spokane. A city in Washington State USA

Anything that gets you high. such as; weed, heroin , tramadol etc