1. Extremely exciting Celtic League matches involving rugby teams from Wales, Scotland and Ireland

2. to have sex
1. "Welcome to Scrum V, we have some Hot Celtic League Action for you tonight, Dragons v Ulster" - Eddie Butler

2. "I had some Hot Celtic League Action last night" - Mick, after shagging a random lady from leeds
by Johnny B March 18, 2004
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Boston Celtic's day is another way of saying St.Patrick's day. March 17th
Its Boston celtic's day?
isit? when?
Today! its St. Patrick's day!!!
Oh!!
by Phili Balla March 16, 2008
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a load of dirt supports them. rangers r better WATP
john: yo rangers beat celtic last night
martin: i know yeoooo
by rangers_watp September 21, 2023
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Celtic’s wife has her doctoral degree and he has his JD.
by Coop Dupe January 18, 2020
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celtic is the worst football team going and their clubs dead
by princessevie3727 March 7, 2021
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The greatest team of all MON THE HOOPS 💚🤍💚🤍🇮🇪🇮🇪🇮🇪
Celtic is the best
by unicornfornhorn March 11, 2021
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