Luigi 

(Adjective) a candidate for something or someone as an alternative or back-up. Regardless of quality or performance.

Joe is only her Luigi.

This is her Luigi phone.

Luigi by Bonchon May 25, 2018

Luigi 

Absolutely Gorgeous Superhero maestro. Love him soooo mucH!

1. Te DUA Luigi!
2. I take thee Luigi to be my husband

Luigi by Lui's girl April 5, 2005

luigi 

He is marios second hand man who always helps Mario in everything but dosen't get any credit, Mario gets coins and a kiss or cake when luigi dosen't get anything when he helped Mario in the first place.

I always use luigi in mario kart

luigi by Randomguy78 March 27, 2013

luigi 

mario's brother that needs to be payed more attention to

why isnt there any other luigi title out there

luigi by backstabing spy April 13, 2010

Luigi 

That crazy mofo with the super long dong. Whom is wicked smaht, in goes down on chicks for hours.

Damn did you see that guys long dong, that works at Home Depot? Yeah it's Luigi

Luigi by The beave23 December 3, 2016

Luigi 

A loud and annoying noise that is usually an earape

The man made a loud and ear piercing Luigi

Luigi by Phantonlolmaen April 13, 2020

Luigi 

A bad ass nigga who is tall and can jump high as fuck..His fat ass brother who thinks he is hot shit is gonna get his ass shot by Luigi fuck Mario that bitch ass short nigga!!

LuigI is more handsome,tall,and savage than bitch ass Mario

Luigi by LiLslayz April 27, 2016