Stick your palm open under the stall wall and ask your neighbor, "May I borrow a highlighter?"
Before you unroll toilet paper, conspicuously lay down you "Cross-Dressors Anonymous"newsletter on the floor visiable to the adjacent stall.
Cheer and clap loudly everytime somebody breaks the silence with a bodily function noise
Drop a D-cup bra on the floor under the stall wall and sing "Born Free"
Drop a marble and say, "Oh no!! My glass eye!!"
Fill up a large flask with Mountian Dew. Squirt it erratically under the stall walls of your neighbors while yelling,"Whoa ! Easy boy!!"
Grunt and strain real loud for 30 seconds and then drop a cantelope into the toilet bowl from a high place. Sigh relaxingly.
Lower a small mirror underneath the stall wall and adjust it so you can see your neighbor and say, "Peek-a-boo!"
Play a well known drum cadence over and over again on your butt cheeks
Say "Damn, this water is cold."
Say "Uh oh, I knew I shouldn't put my lips on that."
Say, "Boy, that sure looks like a maggot"
Say, "C'mon Mr. Happy! Don't fall asleep on me!!
Say, "Damn, I knew that drain hole was a little too small. Now what am I gonna do?"
Say, "Hmmm, I've never seen that color before."
Say, "Humus. Reminds me of humus."
Say, "Now how did that get there?"
Say," Interesting....more sinkers than floaters"
Using a small squeeze tube, spread peanut butter on a wad of toilet paper and drop under the stall wall of your neighbor. Then say, "Whoops, could you kick that back over here, please?