a 1 meter tall wooden stick with a big bump on the end, used as both a club & walking stick by the Irish
Forsooth, thou art a knave! Leave this place in peace or I shall thrash thee about the head & shoulders with my shillelagh!
by Silky Smooth April 29, 2004
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A potent drink usually accompanying the irish car bomb.

Directions: Fill a double shot glass halfway with Bailey's Irish Cream, then fill the rest of the way with Jameson's.

pour me a shillelagh mate.
by frank carter March 24, 2006
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A crude, silver pipe, made of an unknown metal, and found in a crack dealers garage, made famous by Al Doolittle in Shanty-Town circa 1991-95.
Wait a minute, holmes, this green is special, let me get out the shillelagh.
by bertha4201 February 21, 2011
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1) Rules for combat between groups allowing hand to hand combat and the use of cudgels (Shillelaghs)

2) Used tom describe a combat event involving the use of cudgels, but not other weapons such as guns or knives.
2) Shillelagh Law was all the rage at the pub last night.
by gerot October 12, 2010
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A term for a traditional Irish staff used to ironically invoking the image of a Celtic druid to refer to special objects or tools, Ex; Knives, crack pipes, male genitalia, etc.
Jaysus! Patrick's got a feckin' shillelagh on him!
by ferdicten March 15, 2023
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