Top definition
When having a piss straight after sex, the "urethra" spasms meaning that you alternate between high pressured "squirts" and not pissing at all
I think Phil's just had a wank, I can hear him suffering from post coital flow disorder in the lav.
by Scritty April 14, 2010
Get the mug
Get a Post coital flow disorder mug for your cousin Callisto.