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fucker

American  
[fuhk-er] / ˈfʌk ər /

noun

Slang: Vulgar.
  1. an inconsequential, annoying, or disgusting person.


fucker British  
/ ˈfʌkə /

noun

  1. a despicable or obnoxious person

  2. a person; fellow

  3. a person who fucks

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fucker

First recorded in 1590–1600; fuck + -er 1