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1. grundy
A wedgie.
We gave the stupid little freshman a wedgie after he asked us where the elevator was.
by Popsicle May 18, 2004 add a video
2. 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?"
3. Grundy
Also known as Grundyism. A term to refer to anything, usually from the 1970s that is stale, dingy, dilapidated, and often came in horrible shades of yellow or brown (The actual colours of Urine and Faeces), imitation wood and plastic and came in the forms of hexagon-ish shapes. This term is named after the Grundy TV logo seen in the opening credits of Sons and Daughters for obvious reasons.
The state of that dilapidated, Grundy looking caravan, it deserves burning.
4. Grundy
Something that is grotty, dirty or generally foul. Also a type of troll or gargoyle.
that fart smells really grundy!!!
5. Grundy
An immensely powerful/explosive shit coming from the anus
6. grundy
The downing of alcoholic shots (in particular vodka) in one go

'I got a grundy in vodka roulette '
'Prize to anyone who can get a grundy'
7. 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.
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