piss twitch 

The shudder or shiver you have during or immediately after urination.

I just did a piss twitch...sprayed the wall and covered me leg!

piss twitch by The brothers filth September 16, 2007

pisswitch 

Acerbic female, usually bitter and twisted . Quite often anti-social. Stays in and posts on internet forums all day.

'When she talked, she came across as a right little pisswitch'

pisswitch by ans August 26, 2004

pisstwitch 

The involuntary spasm or twitch that sometimes occurs when a guy is urinating.

I went to take a piss and my body shook for sec. I had a pisstwitch.

pisstwitch by agathox October 5, 2007