look up any word, like bangarang:
 
1.
To tell someone you will contact them via Facebook. It's an abbreviation of "FacebOOK YOU". Use with caution as fook has alternate meanings.
"Hey, Charlie, I'll fook you once I am done with dinner." Similar to "I'll email you later" or "She'll text you when she arrives".
by masilver August 20, 2010
 
2.
expessive used to ask someone to leave your space
please fook off
by Sapphire March 25, 2004