grundy 

A male gorilla who likes milk and has a huge cock

peter grundy has a massive cock

grundy by peter grundy February 8, 2005

grundy 

1 vb. To run very fast wearing only one's boxer shorts.

2 adj. To be in one's grundies - to be wearing only one's boxer shorts.

3 noun. Grundyboy - James Halsall.

4 adj. grundy - you can replace pretty much any word with grundy and come out with something that sounds like it should make sense, but doesn't.

5. adj - grundy. to be as of or pertaining to the action of running very fast wearing only one's boxer shorts.

1. I got pulled over by a policeman for grundying down the A65 (true story)

2. I was in my grundies all day Sunday.

3. Hey, Grundyboy! How are you doing?

4. That concert was pretty damn grundy.

5. Running very fast wearing only one's Y fronts is a bit grundy.

grundy by bslsthgrt - The Grunder In Chief July 2, 2005

Grundy 

An immensely powerful/explosive shit coming from the anus

Man, I just did the biggest grundy. /or/ I walked past the toilets and some bitch was taking a large and dirty grundy.

Grundy by bustagrumpy June 8, 2010

Grundy 

noun; defecation.

"Oh shit, son. I took a massive Grundy in Maria's bathroom. I dare ya to light a match!"
"Why are you telling me about your shit, bro?"

Grundy by infamous weezer January 9, 2012

Grundy 

Something that is grotty, dirty or generally foul. Also a type of troll or gargoyle.

that fart smells really grundy!!!

Grundy by ram jam 1991 June 5, 2011

grundy 

When one puts their cold hands on another person's warm body, causing him/her to recoil.

Jess gave Jon a grundy when she came inside shortly after playing in the snow.

grundy by Jon O'Meara December 28, 2005

Grundy 

The area of skin between a mans scrotum and asshole. Usually used in a threatening statement.

I'm going to punch/kick you in the grundy.

Grundy by Dave Williams November 28, 2004