'Fuck off big,' can be used in place of 'large,' 'massive,' fucking huge,' and 'gigantic.'
Adds extra 'punch' to a sentence.
Also: 'Fuck off long,' 'Fuck off expensive,' etc.
'Mate, that is a fuck off big hill, and we have to walk up it!'
'I almost got killed by a fuck off big log truck up the lakes!'
Fred: 'Lets cross that river man.'
Bill: 'Nah, that is a fuck off long way, surely we will drown.'
Originating from the slang spelling of the word 'shit' (can also be spelt 'sh1nt' or 'sh-one-t'), 'shwunt' was designed to be a non-offensive alternative spelling for use in schools and other pc situation, but has evolved into a word in its own right.
Can be used as a substitute for the words 'shit' or 'cunt.'
'Get your shwunt out!'
"Oh man, this classroom smells like absolute shwun!"