Top definition
A foreign object one sticks up anothers ass when he/she is mad. Also used for measurement in few cases.
Don't make me get the ruler!
by Mr_Chuckles July 31, 2003
Happy St. Patties Day!
It means.. somethin' as "I'm teh best" or somethin' like that.
h4H4h4, iM t3H rUl3R 0f tH!z G4m3 !!1!1!oneone!!!11!!!!
(hahaha, I'm the ruler of this game !!!)
by Flamey February 14, 2005
Happy St. Patties Day!
Ruler has to definitions:

1; Someone who rules others, like aking, queen, prince, government, ect

2; A flat stick that is used for measuring commonly in cms and inches.
Mrs. Lolleio told us to measure our hand length with our brand new ruler. (s)
by Kitten Lover October 12, 2009
Happy St. Patties Day!
tool used for measurment
i used and ruler in class today
by kim August 22, 2003
Happy St. Patties Day!