This word originates from the MexicanoChav population, but was later adapted to a reduction of the phrase; 'Fucking Hell', which refers to the act of having sexual intercourse with the underworld.
Fuckin' El'! Choocee wot dat fukin bloke wer doin?
Fukin' Slag
aka the "Drew" is widely known for his long moments of zen like stillness, only to be followed, come night fall with ravanous movement in search for a mate.