nibbly dibbly Posted in N Best definition nibbly dibbly means to have oral sex…. a fancy word for oral sex “dude did she do the nibbly dibbly with you last night? cause i could hear you guys going at it!” How satisfied are you with the definition? Looking for nibbly dibbly meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 110 times.