Random Things To Do
Moderate the Things
21 Things to Dress Up as for Halloween
...or anytime you have an excuse to, really.
15 Things to Do with Friends
Ideas that are great for 3-5 people with nothing to do.
25 Things to Do at McDonald's
A lot of these also work for Burger King or Wendy's, if you have one of those instead of a McDonald's.
20 Questions to Text
You could also ask these in person, but human contact is a bit overrated.