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1.
An alternative to ‘thank you’, Fanks was toughed up c. 2002 to mean more than just thank you. Fanks is the ultimate gratitude of an individual towards another.
Mathew: Great job on the project Amirali.
Amirali: Fanks
by SSBA August 12, 2006
 
2.
An alternative to ‘thank you’, Fanks was toughed up c. 2002 to mean more than just thank you. Fanks is the ultimate gratitude of an individual towards another.
Mathew: Great job on the project Amirali.
Amirali: Fanks
by SSBA August 12, 2006
 
3.
Fank- is short for either fat skank or fucking skanks.
Plural fanks (fucking skanks)
Fankish- fucking skankish
Fanky- fucking skanky
Fanked- to become a fucking skank
If they dont like my haircut they are fanks.
That girl is a fank.
by Jman1987 February 24, 2008
 
4.
adjective; the description of the feces left smeared in the toilet after flushing a large bowel movement.
Man, that shit is fank.
by geveny July 28, 2006
 
5.
A glorious combination of funk and dank.
yo dude thats some fank.
by 420son October 18, 2010
 
6.
The combination of being fail and being a tank.
Friend - "My day was great until i got in a dungeon with this fank."

Other Friend - "I hate getting a fank.
by Rokopack November 28, 2011
 
7.
To masturpate over a person/persons/groups of persons on facebook, or any sort of social networking site (persons must be over 18, or it is known as paedofanking).
I fanked one off to your mum last night
by kris!!? April 13, 2008