fuckiner Share definition Flag n/adj - word used to curse wen a certain amount of anger is being expressed, or to describe a person or thing- can be used in place of fuck, feck, fucker, fecker etc 1.) ahhh we have an exam tomorrow!! fuckiner!!! 2.) she's a fat fuckiner fuckiner by nikki February 2, 2004 0 0 Get merch Get the fuckiner mug. Buy Now — $32.95 See more merch