I need some of these.
i'd be the smeg that would try and bodge something so i could use it.
Gaffer tape would be your friend here, both inside and out ;)
If I couldnt use it .... Id pee in the cup.
and all over your hand, the floor......
Excellent, I'd put a hose in the hole and a bite valve in the other end, then stand it on a shelf above me.
Having to stop typing to drink is so 20th Century