As we can scientifically demonstrate, urinal advertisements are the new hidden severed limbs -- which were already the new sacrificed goats. Now, thanks to Duke Nukem, we have another opportunity to feed the beast, spotted in the GDC bathroom.So, yeah, it's not exactly pleasant. But you people say you want the "full GDC experience" and this is the kind of thing that happens. We're sorry. Check it out after the jump.