How to Make Appropriate Sound Effects

The kid was full of humor today - obviously.  This morning she layed down on the floor, lifted her shirt above her belly and started slapping it.  She said to me, "Mom, does this sound like I'm clapping?"  I told her yes, but then asked her why she didn't just clap her hands.  She said, "Because clapping your hands just sounds like one person clapping, but clapping on your stomach sounds like you have an audience..."