smunderling Share definition Flag A smelly co-worker that works under you, so you can complain about it in a humorous way. How about wearing a t-shirt with a science guy on it that says "YOU-REEK-A" ? ... Good luck with your smunderling! -Strong Bad smunderling by John LF May 22, 2007 0 0 Get merch Get the smunderling mug. Buy Now — $32.95 See more merch