Finkin, is the uneducated Australian slang term for "Thinking". Anyone who has been to school should know how to pronounce this word properly or any word begining with the letters t and h. Nine out of every ten people in most parts of Western Sydney use this brain dead pronunciation and other forms of neanderthal communication.
"Hey Davo I was finkin vat if i frow free dolla's in da pokies and we win, i wont have go feevin shit tonight.
An illiterate pronunciation of the word "Think". Usually, someone of low socio economic background tend to use the letter "F" in all words spelt the letters "TH". There are also other words which are commonly used by such people. (Bruva)= Brother,(Wiv)= With. The list goes on.
Wat are ya finkin bout? Me bruva finks you feeved his holden an vat. Viss is heaps good ahy.