2 definitions by 4th Best Master Debater
Someone who is so witty and clever, that he/she does not realize how witty and clever he/she is. Everything that comes out of this person's mouth is gold, hence the silver in the name, which derives from quicksilver.
by 4th Best Master Debater December 4, 2010
A chronic masturbator who is ashamed of his/her habit. A night jackal will go to great lengths to keep his/her habit a secret.
Rahul has become the night jackal by jerking off in the crawl space of his basement. His sneakiness has allowed him to keep his habit a secret from everyone.
by 4th Best Master Debater December 4, 2010