The few seconds during a porno, or sexy scene in a movie that just kills your erection dead. Either the camera cuts to the hairy cum-face of the man, some pet or animal comes on set, or something particularly gross happens, killing the mood.
'Ah man did you watch 'horny home alone amateurs 11'? I was just about to shoot my load when her dog comes in the room and starts barking, fucking flopshot should have been edited out.'
A flopshow is a 'friend' who let's you down on a social occasion. For example, all other friends plan to attend a night out, but 1 friend lets you down.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.