we know you peed in it
just wash it with something soapy and rinse well.
there is never ever a time when it is OK to piss in your wetsuit, ever. it will stink its pee.
some people take a while to learn this simple lesson it does not matter how cold it is, how much water youve been drinking, or anything else just don't do it, unless you want to earn an unflattering nickname: Stinky