nillywigger Share definition Flag A slightly more offensive version of the word ‘nillywig’. Very problematic if you accidentally switch the n and w… “That dude is such a nillywigger!” “Ikr! He’s a right willyni-” “Careful!!” nillywigger by H.M.S. Sesquipedalophobia November 17, 2023 0 0 Get merch Get the nillywigger mug. Buy Now — $32.95 See more merch