To be incorrect, or wrong. Also can be used as an insulting adjective to describe someone who is totally wrong.
by 34horseguy April 21, 2009
When used as a noun it means and party involving alcoholic beverages and dancing, and when used as a adjective it means amazingly athletic.
Noun: Wassup Dawg? Do you want to come to my rumbaugh later?
Adjective: Have you seen that guy? He's totally rumbaugh.
Adjective: Have you seen that guy? He's totally rumbaugh.
by 34horseguy April 21, 2009