Things to Do with "chair"
Sit in the middle of a neighborhood street in a lawn chair reading a news paper, if a car comes by wait for it to honk at you then stare at it. (Bonus: pull out a air horn and honk back at it)
To Do Lists
25 Hilarious McDonald's Pranks
A lot of these also work for Burger King or Wendy's, if you have one of those instead of a McDonald's.
18 Prank Call Ideas
Those poor, poor minimum wage employees.
16 Prank Call Responses for Telemarketers
Why settle for a simple no thank you?
Random Game Button
Take pictures of your house. Spin around on a chair for a few seconds then try to draw your house in 30 seconds. No erasers allowed.
Pile blankets and pillows on the ground to make a comfy landing for jumping off something like your couch or a chair.