A name for a nice, beast, S.O.B. It's Originated from Houston, so the word is still small. Loi can also be referred as a spawn killing, rager. It also can be used as a sexual sensation to another mate, or person.
Person one: Dude quit being a
Loi on
xbox
Person two: FUCK FUCK FUCK THIS GAME!
or
Person one:
OMG BECKY I just had a awesome
Loi from (name of sex mate)
Person two: Ohhh dammn girl, I wish someone gave me a
Loi. :D