Relatively mild for an R Rated film, the language is the only real r rated aspect.
Some Italian insults.
28 uses of "fuck" and its derivatives.
Moderate and mild language includes use of 'shit', 'bullshit', 'son of a bitch', 'prick', 'asshole', damn, screw', dumbass, hell, numbnuts, Christsakes, goddamn, Jesus, ass, pissing, crapping out, and balls.
There is occasional use of discriminatory language, none of which are endorsed. There are references to 'monkey songs' and 'coloured bands' as well as comments that a man is a 'fruit', depicting the prejudices of the era.