In the [Special Features] menu, go to [Cut-Scenes]. Move [Down] to [Evil Council's Love Tacos] and press [Right]. A silhouette of a man appears to the right. Select the man, and press [Enter].
Slow Motion Cow Nipple-Thumping
From the disc's [Main Menu], select [Special Features]. Once you get to that menu, by default [Behind the Scenes Featurette] will be highlighted. Press the [Up] arrow key on your remote control three times and the silhouette of the "Matrix Cow" will appear on the screen. Press [Enter] now and you will see a slow motion reenactment of the cow nipple-thumping scene.