dum i fittan Share definition Flag Dum i fittan (stupid in the pussy) is a swedish "underground" slang term that means high on drugs. Often amphetamine. -Fan va horigt jävla fittdum du är, FITTKLITTA! -Jag är ju fan DUM I FITTAN! dum i fittan by HKK.. lolz.. May 22, 2006 0 0 Get merch Get the dum i fittan mug. Buy Now — $32.95 See more merch