>>17688
>locking restroom
yeah, don't do that
what if you spill something on yourself.
Also, you need to take showers or you'll have problems other than just the smell
Best case is probably to do >>17690
and put a lock around/on your toilet if you can or just put something somewhat heavy on it. if you're worried about getting mess on anything, change/bag it in your bathroom, in the tub if you can.
If you're adamant about having the toilet available for disposial, write down that you'll spank/otherwise punish yourself severely if you do end up using the toilet at all.