Noun- large sharp metal grate/net to put in the air to kill birds, small animals, and large insects as they fly into it unknowingly. Sometimes it can be electrified with a preffered power supply of 10,000 volts.
(1) After I drank all the beer and wine at the first frat party in September I was persona non grata among the party crowd for the rest of my college days.
(2) After his public sex scandal Tiger Woods was persona non grata at his wife's parent's house.
A person who believes Al Gore is the greatest scientific mind to have ever walked the earth and goes to outrageously stupid lengths to make themselves out to be "green", "eco-friendly" or "organic", etc. Also known as "Greentards" or "Ecotards"
Man, I set up a tent at the G8 protest and made a killing off of these Goretards by selling them bottled tap water I labeled as 100% organic and carbon-free. Dipshits!