Top definition
invented by a teacher at Stevenson High School in Lincolnshire, IL, meaning a person being stupid and or careless.
Frank: Jane stop being a nimnu and turn off your straighter before you leave the house!
Jane: It was an accident.
Jane: It was an accident.
by j.w. pepper September 15, 2009
May 4 Word of the Day
A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.
by LolWut098 December 30, 2020