Smegiest Share definition Flag Somebody who is very annoying and usually comes from australia, they like maths and cricket and have stupid names like McIntyre I don't teach idiots and you're an idiot thats a quote from the smegiest of smegstians Smegiest by a annoyed student August 9, 2009 0 0 Get merch Get the Smegiest mug. Buy Now — $32.95 See more merch