Dig: dirt is fun... to wear, to eat, and to move around. If there is no 'inside' near to put the dirt, cover the nearest shiny object with it.
Stick your tongue out: it's stylish and helps with thermal management
Hang around like a monkey: we're all primates anyway
Run: it's faster than walking
Acquire sticks: at least one for each hand
Touch everything: if it's interesting, grab it. Ignore your parents, no matter what they are yelling. Smile at them and they will forgive you.
Trail-blaze: have a total disregard for existing paths and procedures
...and throw them