i like to piss in random places

i have a thing about pissing in places other than the toilet. i don't know how else to describe it. it's not like it turns me on sexually-i'm not that sick. i just like doing it because i like doing filthy things if nobody knows it's me. but if anybody ever found out i'd be totally mortified.
whenever i am at school, i'll pop a squat and pee. or i'll go to the school bathrooms, and pee in the sink or in the little receptical for sanitary pads. if i somehow can't get in a position to pee in those, i'll just pee on the floor. i don't continually pee in any one place. i just need to pee everywhere at least once. if it's too public a place to pee, i'll pee in a cup and poor the cup out when nobody is looking.
whenever i go over to a friend's house who have pets, i always pee somewhere. sometimes i've peed in the corner of my friend's room, and once i even peed on their parents' bed. also, whenever i am at the mall, i pee in anything and everything that i can find. i often bring clothes into the dressing room, and pee on them, and leave them there. once i even peed in some shoes in the shoe department and put them back.

probably the nastiest thing i've ever done is pee in my teacher's coffee mug. i don't think she ever drank it though. i didn't want her to, i just wanted to pee in the mug for some reason. also, every single time we had a lab in chemistry last year, i'd pour some of my pee (i used a lotion bottle to carry it) into every single solute.

does anybody else have this? is it normal, etc?

Do you think it's normal?

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