Number of occurrences of the Word "Fuck" (bold=I have seen)
Nil by Mouth 470
Casino 422
Another Day in Paradise 327
Summer of Sam 326
Twin Town 320
Sweet Sixteen 313
Narc 298
Big Lebowski 281
Tigerland 276
Made 274
Fubar 274
Pulp Fiction 271
Reservoir Dogs 252
Dead Presidents 247
Goodfellas 246
Boondock Saints 246
My Name is Joe 230
Jay and Silent Bob Strike Back 228
True Romance 225
Empire 220
State of Grace 210
Scarface 208
Suicide Kings 207
American History X 205
8 Mile 200
Four Rooms 193
Magnolia 190
Monster 189
Belly 186
Donnie Brasco 185
Shaft (2000) 165
Hoffa 153
Snatch 153
Paid in Full 153
Bad Santa 147
Glengarry Glen Ross 138
South Park: BLU 133
Blair Witch Project 133
Jackie Brown 131
Confidence 130
Good Will Hunting 129
Raging Bull 128
Gigli 123
Phone Booth 122
Chasing Amy 121
Training Day 121
Dogma 120
Any Given Sunday 117
Sexy Beast 117
Lock, Stock, & 2SB 114
Last Boy Scout 102
Swingers 95
Shaun of the Dead 77
Four Weddings and Funeral 42
Nice to see a substantial British contribution. The ordering is counter-intuitive in places, partly I think because harsh aggressive uses of the word (Reservoir Dogs for example) weigh more than soft humorous uses (as in Lebowski) so you think there is more swearing in one than the other.