Name given to a person who the does one of the dumbest fucking things you've ever seen. Originated from a kid named Miles "O'Shaugnessy" Mohay and the theft of the word Knuck Knuck from some kid's big brother. One can also "Knuck Fuck", the extreme connotation of the word.
Ho-ly Shit, EJ is the biggest Knuck Knuck O'Shaugnessy I have ever seen.
I'd have to say Mandi is definetly a Knuck Knuck O'Shaugnessy...she lived her entire life thinking blinkers were called "tinkees"...she stupid, but she's hot.
I'd have to say Mandi is definetly a Knuck Knuck O'Shaugnessy...she lived her entire life thinking blinkers were called "tinkees"...she stupid, but she's hot.
by Brodie Holden December 22, 2004

To pull back the trigger of a gun or object and thrust it forward making a motion as if to shoot somone.
by LaxxxLa69 December 3, 2006

by Gwelf August 15, 2006

by -II- Troj -II- August 16, 2005

by Brian Coney April 9, 2008

1) An alternative to first base that is used mostly by conservative Christians and, rarely, Zoroastrians. This act is done by a couple interlocking knuckles and thrusting their arms back and forth (Noun)
2)Knucka (Noun)
3)Knucking (Verb)
4)Knuckable (Adjective)
2)Knucka (Noun)
3)Knucking (Verb)
4)Knuckable (Adjective)
by Jookill4 June 12, 2008
