sneedertweeder Share definition Flag Someone that tries to look (sneak a peek) at your twitter comments or other blods as you are typing them to someone else. It's pissing me off that the guy next to me on the plane kept being a sneedertweeder. sneedertweeder by busterboner August 28, 2009 0 0 Get merch Get the sneedertweeder mug. Buy Now — $32.95 See more merch