one of the two rival gangs of the good ol' boys
turtle is the king of the muldoons because he sucks
by Steveo November 6, 2003
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An ill fated trip which with hindsight was a mistake, but no lesson is learned from this mistake. Usually, those who take part must walk many miles to get home, from the ill fated location in which the muldoon occurance occured.

Originates from the misprenunciation of "El Dude", a fraternity in which both members took part in unsucessful adventures.
That party was so lame last night.
I know, just another muldoon adventure.

I have a feeling tonight is gonna be a muldoon adventure.

Saturday was just a muldoon adventure.
by Dildo Appreciation Society October 22, 2010
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A big, hairy stinky penis with similar balls.
I was in the sauna the other day and a man exposed his Muldoon… So I left.
by Unkel B November 29, 2022
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a person from outside The Pale in Ireland; similar to Culchie

usually wears a county GAA jersey, boot cut wranglers frayed at the ends and a pair of brown slip on sheauxs

likes country & irish and music about tractors

has a simple outlook on life
JamesMichael from Ballyhaunis is a bit of a muldoon.

Look at those muldoons over munching turf
by sean sabhat September 10, 2020
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Heir to the throne. Ancestors were pillaged by the Britt clan and are now servants. Will eventually take over his father Mathis Muldoon for the throne when the time is right
Ryan Muldoon is the heir to the throne, it is his destiny.
by Nostyyy May 5, 2021
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