Today and yesterday

Me:  "What are you doing?"
S:  "Simon waterskiing."
Me:  "You're what?"
S: "Simon waterskiing with vacuum cleaner.  Mamma, get ski pants for waterskiing."

The things that happen throughout the day.

Waterskiing with the vacuum cleaner chord. 
      Me:  "What are you doing?"
      S: "I waterskiing, momma want turn?"

Pretending to nurse a muppet.  
      S: "Momma, Ernie want to nurse."
      Me:  "Ahh, okay"
      S:  "no momma,  no pretend, NURSE Ernie."

Rapid cleaning of a bedroom.
     S:  "I jump" (off a cubicle bookcase that lays flat on the floor)
     Me:  "Let's not jump, it's messy here.  We can jump later."
     S:  "clean up now,  I do it."