It's Fuck, but with an "i" for a different verbal flavour.
"I FICKING MY COOUSIN ALL WEAK"
A chat member on Chat Avenue in the Adult chatroom who's understanding of English...isn't so great and who really "likes" his cousin.
Having rough sex with an attractive (preferably scholarly and dark haired) young woman, with your hands wrapped tightly around her neck. Her orgasm is probably going to be fucking awesome.
"did you hear that Mr S was stranglebonking that post-grad student till she passed out cold!"