When you just dont just a fuck so hard as to the point where for a short ammount of time you stop doing anything productive and give up on life.
This usually leads to questioning the world and existence itself.
Jamie meets a girl with a Purple dress at an elevator, he smiles and walks away. Later Jamie decides to look up the name of the girl and sends her an email which reads. "Sorry for staring at you earlier. It's just Purple is my favorite colour. Let me know when you decide to get the lift again and I will stare some more." - This could be seen by some as being an unwelcome email and a prime example where "Careless talk"was used.
When a male releases a large turd into a shallow toilet. The turd makes contact with the bowl before being pinched off, falls forward, and smacks the man in the back of the scrotum.