rampage, rampaged, rampaging, rampager, rampageous, rampageously 1. An outburst of uncontrolled violent or riotous behavior, or a series of violent or riotous actions. 2. To engage in uncontrolled violent or riotous behavior, or commit a series of violent or riotous acts. Being on a rampage is behavior in a wild and uncontrolled manner. 3. Etymo... Found on http://www.wordinfo.info/words/index/info/view_unit/3704/3