A warm hearted, lovely greeting for any Pizzaria-owner of italian heritage. Altough his birthname may not be Luigi every true Pizzaman identifies with Luigi on a spiritual basis and is honored to be called so.
Bro1: Hey, see that fat, slimy, wife-beater wearingmoustache Pinoccio in front of the Pizzeria over there?
Bro2: Yeah, let's give him a nice Luigi-shout!
Both: Ciao Luigi! Come stai?
The Stare of Death, used by a Green Itailian Plumber with surprisingly decent karting skills. First seen in the 2014 Wii U Title, Mario Kart 8, when the titular character's brother drives by other racers and give them a very dirty look. Use slow motion for full effect.
Gay luigi originates from the philips CD-i videogame, "Hotel mario". When mario and luigi are entering the mushroom kingdom after being invited by the princess to a picnic, mario tells luigi, "Nice of the princess to invite us over for a picnic, eh luigi?". Many people mistook, "Eh luigi?", for, "gay luigi?".