1. Extremely exciting Celtic League matches involving rugby teams from Wales, Scotland and Ireland
2. to have sex
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
2. "I had some Hot Celtic League Action last night" - Mick, after shagging a random lady from leeds
by Johnny B March 18, 2004

by Phili Balla March 16, 2008

Celtic is the best
by unicornfornhorn March 10, 2021

by .03.4.3.0.ehayusalulA.3.4.3.0. August 3, 2025

by Bleed_Celtic_1967 instagram December 15, 2021

1. Yesterday I was Celtic Smoking instead of doing my work and I got detention!
2. Hey Carl! Stop Celtic Smoking and get your head in the game!
2. Hey Carl! Stop Celtic Smoking and get your head in the game!
by pownism April 21, 2011

Celtic (noun, informal/slang)
Definition: Something of extremely poor quality; worthless or useless material — often used to describe ideas, performances, or objects regarded as trash.
Definition: Something of extremely poor quality; worthless or useless material — often used to describe ideas, performances, or objects regarded as trash.
by John smith101 May 5, 2025
