boppin' around
verb: 1. To wander or go from place to place, often aimlessly or without a goal. Typically, this is done good-naturedly and in good spirits, but results in wasted time. Essentially, it is equivalent to "doing nothing". Nothing productive, at least.
Kerstin is a real space-cadet. It's funny to watch her wasting time boppin' around.
hop boppin around
Having fun while running around an area/event, usually full of energy and excitement. Might end up in minor injury...
He's hop boppin around... I really don't know where he is.
"What happened to your arm?" "Oh, I was just hop boppin around
"What happened to your arm?" "Oh, I was just hop boppin around