Always within his older brothers shadow, Luigi is always "Player #2." He likes long walks on the beach, his hat hand washed, and brutally murdering mutant turtle dragons. He'd do anything to get into the spotlight for just once.
"It's-a me, a-Luigiiiiiii!!!!!"
by Kooper113 August 30, 2003
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He's a mean green fighting machine. Mario's younger and under-rated brother. Everyone thinks he's cooler than mario. He jumps higher, he's not a fatass, He sucks up ghosts with his trusty dusty polturgust 3000. All Mario can do is run a bit faster. What good is that? He's a fatass too because he's been eating too many pizzas.
"Omigosh Mario is soooo coooool!"
"Fuck Mario! He had to be rescued by his brother TWICE. What the fuck has he done for him?"
"You're right... Omigosh Luigi is soooo coooool!"

*Mario gets captured* "Help me Luigi!"
"Fuck-a-you You piece of-a-shit you a-deserve it. I'm not a-saving your ass again."
by Luigi June 19, 2006
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Mario's younger, taller brother who's fave color is green. Girlfriend is said to be Daisy of Sarasaraland.
by Princess Peach Toadstool June 7, 2003
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Although he is always upstaged by his fat brother, Mario, Luigi is obviously more skilled. He can run faster, jump higher, and doesn't eat as many pizzas. He also sucks nasty ghosts up with his trusty Poltergust 3,000. He can do all of this... and all Mario can do is shoot water at stuff with FLUDD. Luigi isn't just the most underrated Mario character, but the most underrated Nintendo character too.

In 2D platformers, Player 2 is always Luigi. Luigi has only had two games starring him: Mario Is Missing, which shunned Luigi more, it being a crappy edutainment game, and Luigi's Mansion, which was a lot better and introduced the trusty Poltergust 3,000. Both of these involved Luigi saving Mario, which shows how lucky that fat-ass is.
Mario: "Luigi! Help! The Boos are taking me away again!"

Luigi: "Too bad, you ungrateful fat-ass! And if you get back, I'll beat your sorry ass!
by The random jerk August 23, 2007
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Luigi is the younger but taller brother of Mario. In Paper Mario you can read his diary where he mentions that he is terrified of boo's and that he wants to go on his own adventure. In the sequle Paper Mario and the thousand year door his wish to have his own adventure comes true. Luigi recived a letter that says Princess Eclair of the Waffle Kingdom was Kidnapped by the evil chestnut king and that they needed his help. He has to find the seven pieces of the Marvuilse compas to find Princess Eclair. In the game you can even buy a series of books based on his adventure. When Mario talks to Luigi he tells him about how he likes Princess Eclair so Daisy is going to have to find another man.
"I hope they come out with a Paper Luigi."
"Yeah that would be fun."
by TheBlackMew September 6, 2006
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The green wonder who is better than mario, and the only reason he hasn't overshadowed mario is because nintendo won't give him many chances. Luigi's mansion is one of only two in which luigi is the star. In the later games, he has higher jumping yet less traction than mario.
The man in green, LUIGI! No pipe is too out of reach, No foe is too high to clobber!
by catagon December 3, 2008
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Added to the end of a sentence, when in a conversation with a mate and in unusual company, to secretly direct your mate's attention to approaching person(s).

LUIGI = Look Up Instantly - Girls/Guys Incoming.
mate1: did you see those two guys with the sack?
mate2: they look very suspicious, luigi
by noddy330 June 26, 2009
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