Splenda Dude Share definition Flag A guy who puts on a fake "nice guy" façade; sweet on the outside, but Satan on the inside. "Ugh! He just dumped me just like that! And he was nice to me and everything! What a Splenda Dude!" Splenda Dude by Aros22 April 27, 2016 0 0 Get merch Get the Splenda Dude mug. Buy Now — $32.95 See more merch
