tiny pieces of feces that you miss wiping after you go the toilet, that dry and become attached to your grundle hairs. Also known as "dags", the removal of these items is often met with a severe stinging sensation and repulsive odour stain on the fingers
1. "just like ripping off a band-aid, i closed my eyes and yanked off the grundlebugs until they were all gone and it stung like crazy!"
by TrueAussieDictionary May 18, 2009
Get the Grundlebugmug. That grundlebug was so good last night
by Lajay March 18, 2019
Get the Grundlebugmug. by Jefrey with one F October 20, 2004
Get the grundlebugmug.