A brand of soap which I'm honestly surprised no one in this definition seems to be mentioning.
Personally, Irish Spring is best in bar form.
by hohehohe July 17, 2021
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It is the act of dropping the soap while a leprechaun proceeds to run through your legs hitting your test tickles. Which have been painted gold yelling, “there magically delicious ”.
Hey little laddie, wanna pull off the ole Irish Spring?
by PoochPop June 26, 2020
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Getting a golden shower from someone who has consumed too much green beer on St Patrick's Day and has green piss.
by Mac Daddy123 January 14, 2010
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“Sorry Sally, can’t do breakfast. I’m neck deep in an Irish Spring.”
by Duke Brutus April 5, 2019
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When you affix a bar of Irish Spring soap to the floor of a shower with either a nail or glue and then hide and wait for someone to try to pick it up. When they bend over to retrieve it you jump from the shadows and yell "Irish SPRING!!!!!!" and then proceed to anally rape them.
"Huh... whats this doing here..."
"Irish SPRING MOTHER FUCKER!!!"
"Ahhhhhhhhhh!"
by Petricore May 14, 2013
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Something you need to get through the day. Not being addcited to it, but wanting it more then a passion;
Mike: "Man I love soda"

Jeff: " Man thats like your Irish Spring".
by BFB2ASS May 8, 2011
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When one ingests the vitamin Riboflavin, it turns their urine bright yellow. When one ingests Methylene Blue, it turns their urine dark blue.

When one ingests them both together, it turns their urine emerald green.

When one performs the "golden shower" after ingesting aforementioned chemicals, its called the Irish Spring.
yo dawg last night i gave mallory an irish spring for st patty's day

she hasnt called me since
by Jubb May 12, 2011
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