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Adjective- a combination of 'suspicious' and spliff.

When someone suspects that you are either carrying, or have smoked marijuana.
Guy a: "Dude I think sister Margaret is suspliffous"

Guy b: "But we don't stink. And our eyes pretty look normal"

Guy a: "Nuns just know these things man"
by IHaveTooMuchSpareTime April 21, 2012