Top Definition
A synonym for describing someone who is a dick
"OMG Tony from Survivor is such an impenus"

Scenario: Driving in the car with your gran, guy swerves in front of you

"AHH, what an impenus"
by justsel April 17, 2014

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.