Fuckface is a favourite of mine also.
I use it as a term of affection AS WELL AS an insult.
( Blue Star was working part time at the 5 and Dime, Tue 26 May 2009, 15:53, archived)

I particularly like 'fuckwit'
when describing someone who has offended or annoyed.
( Anthropos Was making beer on, Tue 26 May 2009, 15:56, archived)

As the last golden rays of the evening sun shone down
they lay together in the long grass.
Doctor Farquhar began kissing her, gently at first, up and down her neck.
She shivered slightly and stared longingly into his icily blue eyes.
"Fuck me fuckface", she whispered.

From "Blue Star and the Proctologist" by Barbara Cartland.
( wotofco pissing in your swimming pool, Tue 26 May 2009, 16:03, archived)

ha ha ha ha

( Blue Star was working part time at the 5 and Dime, Tue 26 May 2009, 16:09, archived)