Paracats

The Paracats is the state of mind one finds oneself in after having indulged in too many illicit pharmaceuticals and you become so paranoid that there appear to cats in the shadows looking at you....

"they're everywhere, there's cats in the shadows"!
"Oh baby. It's just the paracats. It happens to us all "

Train-damage

The damage (mental or physical) a man or woman who has indulged in an over abundance of sexual partners in the course of a day, suffers.

Tracy was slurring her words, her friends put it down to the train-damage she suffered at last nights party.