an exclamation of shock or suprise, based on the convience of the
words "RAHHHH" to deal with the initial shock stage and "DIGGA" as the comedown and realisation
there also happens to be a most peculiar woman rapper who hides her butters face behind large sunglasses and shares the same 'name' as this expression, whilst busta rhymes has his hand up her
ass puppeteering her every move (quite
literally).
Jonny: I just won the lottery
Billy: Don't bullshit me, mate, I'm no
fool
Jonny: No seriously, look at the ticket in my hand, I ACTUALLY did win
Billy: RAHHH DIGGGA
Jonny:
Rah digga? You keep using
words like that mate and you won't have a share in my winnings