Wonderchub Share definition Flag When you're wondering why you have a full on chubby right now. A wonderchub. I'm in the middle of a serious nonsexual conversation and wondering why my dick is getting a full on wonderchub Wonderchub by fuzznuts2 May 26, 2016 0 0 Get merch Get the Wonderchub mug. Buy Now — $32.95 See more merch