A brief but intense state of physical and mental exhaustion following sexual activity, typically characterized by a pronounced loss of energy, an urge to lie still or stare into space, and a temporary sense of lethargy or disconnection.
After you have had sex and you just lie there for a couple of minutes to gather yourself .
So if your partner ask you: "How are you doing, you are very quiet"
An extremely annoying situation in which on attempts to urinate standing up but is unable to due to the inevitable urge to Shit and since this is impossible due to the current position of the urinator one reaches a P.S.S
Fred: Hey man what took ya so long in the piss pot?
Gary: Sorry dude got the case of (P.S.S) Piss Shit Stalemate..
Fred: oh...
Evasaid "I have P.S.D.S.. Stephanie looked puzzled so Eva touched her ear lobes & said, "You know, P.S.D.S.. Then Stephanie understood & they had a good laugh.