Rambunctious

Rambunctious - learned this interesting new word today:

• boisterous: noisy and lacking in restraint or discipline; "a boisterous crowd"; "a social gathering that became rambunctious and out of hand"; "a ...
  wordnetweb.princeton.edu/perl/webwn
• Energetic and difficult to control
  en.wiktionary.org/wiki/rambunctious

(definitions from google)