Top definition
The high art form of making sweet passionate tounge love to the space between a man's balls and anus. Similar to its female counterpart, cunnulingus.
Guy: Man, what happened last night?

Dude: We got wasted last night, and then Michelle gave me some serious grundlingus!

Guy: Hell yeah!!!
by AaronTimothy November 07, 2005
Get the mug
Get a grundlingus mug for your Facebook friend Bob.

Available Domains :D

  • grundlingus.ninja
  • grundlingus.se
  • grundlingus.com
  • grundlingus.net
  • grundlingus.org