Grundleful 

everything is so good around you, it even makes your grundle feel good

After i won the contest, i felt so grundleful to be alive.

Grundleful by Tim February 15, 2004

grundlebuss 

someone who has sex with a twinkie, and then squeezes the cream out using their legs.

I walked into my boss's office and saw him the riding the grundlebuss, upon him noticing me he squeezed his legs and deflated the twinkie in nervousness, i immediately left.

grundlebuss by chrisalyss September 6, 2009

grudgefull

To have or hold a grudge for a very long time, or forever. Being so mad and stubborn that you can never forgive someone for doing somehing that hurts or offends you.

She was so grudgefull, that she never forgave me for tearing down her LL Cool J poster.

grudgefull by StarCrop November 29, 2009

grundlekill 

A form of murder in which you force another person to asphyxiate on your grundle hair

A recent report shows that grundlekillings have increased in third world countries due to inadequate hair removal products

grundlekill by grundle abomination January 2, 2011

Grundlebucket 

A grundlebucket is not a pleasant person, this person always manages to weasel their way into every inch of your life and transform your joy to pain. A grundlebucket should be avoided.

Mr May: Hey student 1 can I call you Grundlebucket as a nickname

Student 1: I dont know sir I'm pretty sure that's not a nice name let me search it up on the Urban Dictionary
Mr May: OH ok, oh yes go right ahead
Student 1: A grundlebucket is not a pleasant person, this..... HEY this wasn't here last week, Grundlebucket is an inside joke for our class, this guy who wrote it.. they,...they...they...must.tt.t be..iiin our..classsss!
Editor: HA

Grundlebucket by Daniel5tookenham February 24, 2022

grundlebug

A member of the best fucking ultimate team in the world.

The UMW Grundlebugs are gonna fuck some ppl up in 2004-05.

grundlebug by Jefrey with one F October 20, 2004

Grundlemuffin 

The placing of one's fist into one's grundle and letting it bake there for a minute, then removing it and punching another person across the face with it.

Bitch, if you don't shut your mouth, you're gonna get a big ol' grundlemuffin!

Grundlemuffin by Head Chef McC December 21, 2006