The following may or may not be medical science, just practical observations that are fairly consistent:
Ants in the pants: While an opposing opponent is winning, you become the victim of imaginary ants crawling all over you, creating uncontrollable motion across your body.
Quitting time: As an opponent is close too shooting their match winning shot, you decide you could save time by packing up early by breaking down the cue stick.
Angle/Speed Dyslexia during a run your shooting well and line up for an easy shot, but somehow you shoot differently than intended.
Cue stick anger: The emotion from missing a shot is taken out on the cue stick, in the form of bangs, bruises or even dents.
Cell phone dementia: Instead of watching an opposing player shoot, you are compelled to watch the cellphone.
Mercy Kill: Instead of beating a player to your full ability you take it easy on them, as if it were a sparring session. By take it easy, you shoot high risk shots and even leave good position for the incoming player.
Considerate loser After calculating its not possible to catch up in the match, you go for broke. And focus on how badly you can lose the match at that point. Full deterioration of shots or over exaggerated strokes.
Pool Hall Passer As traffic passes your table you feel utterly compelled to blame missing a shot on the person moving through, to the point where the "death stare" is being used as an imaginary weapon.
Ants in the pants: While an opposing opponent is winning, you become the victim of imaginary ants crawling all over you, creating uncontrollable motion across your body.
Quitting time: As an opponent is close too shooting their match winning shot, you decide you could save time by packing up early by breaking down the cue stick.
Angle/Speed Dyslexia during a run your shooting well and line up for an easy shot, but somehow you shoot differently than intended.
Cue stick anger: The emotion from missing a shot is taken out on the cue stick, in the form of bangs, bruises or even dents.
Cell phone dementia: Instead of watching an opposing player shoot, you are compelled to watch the cellphone.
Mercy Kill: Instead of beating a player to your full ability you take it easy on them, as if it were a sparring session. By take it easy, you shoot high risk shots and even leave good position for the incoming player.
Considerate loser After calculating its not possible to catch up in the match, you go for broke. And focus on how badly you can lose the match at that point. Full deterioration of shots or over exaggerated strokes.
Pool Hall Passer As traffic passes your table you feel utterly compelled to blame missing a shot on the person moving through, to the point where the "death stare" is being used as an imaginary weapon.