fittie Share definition Flag Dutch slang word for 'fight' (as a noun, not as a verb), possibly originated from Suriname. Wrong: You don't want to fittie with me! Right: Yesterday, she had a huge fittie with her boyfriend. fittie by ceciiile September 28, 2009 0 0 Get merch Get the fittie mug. Buy Now — $32.95 See more merch