Top definition
1. adjective

An Irish rugby fan who resides within the province of Leinster but supports the Munster Rugby Team.

Often used as a term of abuse although Despite the horrible connotations of this word people will occasionally willingly refer to themselves using it.

A Person who is likely to speak this sentence "Ah sure even though im from Leinster, im not from Dublin, You're all D4 Ladyboys and Paul O' Connell is a ligind, Leinster will never Humiliate Munster 26 - 6 in Croke Park. I consider myself a proud Lunster".
That traitor douchebag from Navan wearing a Munster jersey is most definitely a Lunster!!!!

or

Those Lunsters are modern-day Uncle Tom's!
by E. Goggins May 07, 2009
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